You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Linda Phillips.

ASSISTANT: How can I guide you at this moment?

USER: I am planning to attend my brother's marriage. can you please book a flight ticket?

ASSISTANT: Sure, can you please provide your travel dates?

USER: I am planning to travel on 12/04 and I will be return back on 12/06.

ASSISTANT: May I know your nearest airport codes of travel to proceed further?

USER: My source airport code is DEN and my destination code is SEA.

ASSISTANT: AA airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Yes, you can proceed for booing of my ticket.

ASSISTANT: Linda Phillips, your ticket is booked with flight number 1001.

USER: Thank you very much for booking my ticket.

ASSISTANT: Thank you, have a safe journey.