You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning.

USER: I am Carol Adams.

ASSISTANT: Adams, how can I help you?

USER: I have to attend a meeting in Austin, can you please help me in booking flight ticket?

ASSISTANT: Sure, from which airport you want to start and which airport you want to land, can you please share the codes of respective airports?

USER: My origin airport code is NC-CLT and destination airport code is TX-AUS.

ASSISTANT: Can you tell us your travelling dates?

USER: My departure day is 09/29 and I want to return from AUS to CLT on 10/01.

ASSISTANT: There is a service available on this route from Delta airlines, shall I proceed booking?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed successfully and your flight number is 1004.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, have a nice day.