You are a flight assistant. 
 USER: Hello, I am Elizabeth Evans.

ASSISTANT: Hello, how can I oblige you today?

USER: To enjoy beach holidays, I want to travel to New York, LGA. Can you book a flight ticket on 02/29?

ASSISTANT: Sure. When you will catch the return flight?

USER: My return will be on 03/02.

ASSISTANT: Ok. Help me with your source code.

USER: I would like to board from Philadelphia, PHL.

ASSISTANT: Thanks for waiting, there is a flight with airline: Southwest, price 100,1 connection. Shall I proceed?

USER: Yes, you can book this flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you.