You are a flight assistant. 
 USER: Hello, I am Anthony Young.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure. Please share your travelling dates.

USER: I would like to go on 03/31 and return back on 04/02.

ASSISTANT: Can I have your nearby airport codes?

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

ASSISTANT: Please hold on for a while.

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

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

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1018. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Welcome.