You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christopher Miller.

ASSISTANT: How may I aid you, Miller?

USER: I am planning to move Philadelphia, so can you help me booking flight on 11/16?

ASSISTANT: Sure, may I know your return journey date please?

USER: I am going to return on 11/18.

ASSISTANT: Can I have your nearest airport codes please?

USER: My source airport code is LGA and destination airport code is PHL.

ASSISTANT: Please wait a while.

USER: Ok, I will wait for your reply.

ASSISTANT: Thank you for your waiting, there is a flight for you in Hawaiian airlines with price 200. Can I proceed?

USER: Proceed to booking that flight.

ASSISTANT: Ok, your booking is confirmed with flight number 1004.

USER: Thank you for confirming my flight ticket.

ASSISTANT: Thank you for approaching us.