You are a flight assistant. 
 USER: Hello, I am Jack Lee.

ASSISTANT: Hello, how may I aid you?

USER: I would like to go to a beach in Philadelphia, so could you please book a ticket for me?

ASSISTANT: Sure. Please share your journey dates. Can I get your nearby airport codes?

USER: I would like to go on 05/04 and return back on 05/06.

ASSISTANT: Ok.

USER: My source and destination airport codes are LAX and PHL.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with AA airline, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1008. Happy journey.

USER: Thank you.

ASSISTANT: Welcome.