E-Ticket Airline Reservation System (ETRS).

8/12/2019 E-Ticket Airline Reservation System (ETRS).

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E-Ticket Airline ReservationSystem (ETRS)

CPSC 461Thursday LabGroup:

Kevin NuguyenBrad Rippe

Dhanireddy SravaniIris Tam


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Use Case

High Level


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Use CaseRequest Flights


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Use CaseScenarioRequest flight information

Name

Requests available flight information

Summary The user provides a destination and dates to the E-Ticket Reservation System (ETRS). The system

inquires the airline database about available flights and presents them to the customer.

Basic Events Customer System

1. Launches ETRS application 2. Displays UI for user to search available flights.

3. Selects origination city

4. Selects destination city

5. Selects departure date

6. Selects return date

7. Selects one-way or round trip

8. Selects connections or nonstop

9. Submit criteria

10. Validates customer data.

Data is valid if customer enters a start and end cities


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9. Validates customer data.

Data is valid if customer enters a start and end cities

that the system provides service to and valid dates

such that the start date is not prior to the end date and

vice versa. Invalid data are empty cities and dates,

dates that do not exist, or cities that the system does

not provide service to.

11. Shows list of flights that met customers criteria.

Alternatives None

Exceptions Customer System

1. If customer data is invalid system displays error

message

2. User acknowledges the message.

3. Displays UI with current criteria, allowing user to

modify desired flight information; continues at basic

event 9.

1. If data is valid and a flight cannot be found, the

system displays a messages informing the user that no

flights are available that met the current criteria.

2. User acknowledges the message.

3. Displays UI with current criteria, allowing user to

modify desired flight information; continues at basic

event 9.

Triggers

Customer needs flight information.

Assum tions The customer knows travel information dates and available bud et.t t t t


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mo y es re g t n ormat on; cont nues at as cevent 9.

Triggers Customer needs flight information.

Assumptions The customer knows travel information dates, and available budget.

Preconditions Customer has available internet connection and ETRS installed.

Postconditions Customer will have a list of flights that met specified travel criteria.


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Use Case

Choose a flight


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Name Choose a flight.

Summary The customer has been presented with options for flights to go to his/her destination. The customer

chooses a preferred flight and seat. The application puts the seat(s) on hold, and requests

payment information from the user.


1. The customer chooses a preferred flight.

2. The customer chooses a preferred seat.

3. Requests the chosen flight and seat(s) be put

on hold from the airline database.

4. Returns confirmation number to the

customer

5. Displays UI for the user to input payment

information

Alternatives None


1. If seat is not available, system displays an

error message stating that the current seat

is unavailable then displays an updated

seating chart; continues at basic event 2.

1. If the flight is not longer available system

displays an error message stating such

and displays an updated list of available

flights; continues at basic event 1.

Triggers Customer wants to a flight and seating on hold.


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on hold from the airline database.

4. Returns confirmation number to the

customer

5. Displays UI for the user to input payment

information

Alternatives None


1. If seat is not available, system displays an

error message stating that the current seat is

unavailable then displays an updated seating

chart; continues at basic event 2.

1. If the flight is not longer available system

displays an error message stating such and

displays an updated list of available flights;

continues at basic event 1.

Triggers Customer wants to a flight and seating on hold.

Assumptions The customer has input city of origin, city of destination, and dates of travel.

Preconditions Customer has a list of available flights that meet there criteria.

Postconditions Customer will have a flight and seating on hold.


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Use Case

Book a flight


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Name Customer books flight

Summary The application contacts credit card authorization service for payment authorization. The service

books the flight, and return confirmation number to the customer.


1. Display flight on hold and prompts user for

payment information.

2. Confirms flight and inputs preferred

payment information.

3. Contacts the credit card authorization

service.

4. Prompts for final verification.

5. Confirms transaction 5. The application sends the request to purchase

the ticket(s).

6. The response indicates success with an

authorization number, signed by the

payment authority.

7. The application sends a request in order to

find out how to cancel the reservation

should a problem occur later in theprocess.

8. The service provides the customer with a

confirmation number and displays the

customer iternary and wishes them a good

flight.

9. Charges are applied to customers credit card

Alternatives None


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Alternatives None


1. Customer is not satisfied with flight

arrangement on hold, he/she will be able to

cancel and reschedule. Continue at Use-Case:

Request flight information

1. If the application cannot communicate with

the authorization service, the application

displays a error message informing the

customer that communication cant be made

and to try there purchase later; continues at

basic event 1.

1. If the customers payment information cannot

be validated; the application displays an error

message and continues at basic event 1.

Invalid data is empty data, or

incorrect/incomplete credit card information.

Triggers Customer wants to purchase flight and seating arrangements on hold.

Assumptions

The customer has flight on hold.

Preconditions Customer has placed flight and seating on hold.

Postconditions Customer has confirmation number and valid e-ticket to travel. Customers credit card will reflect

the transaction in the next billing statement.


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Use Case Scenarios Thats it!

Thanks!

E-Ticket Airline Reservation System (ETRS).

Documents

Transcript of E-Ticket Airline Reservation System (ETRS).