You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Gary Thomas. I have planned to attend a marriage in Charlotte, so could you please guide me in flight ticket booking from DEN to CLT?

ASSISTANT: Sure, on what dates are you planning to travel?

USER: I have planned to move on Feb 24 and return flight on 26.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Delta airline with flight number 1021 is going on your way and the fare is 200. Is that fine?

USER: I am happy to travel in this flight, you can book it.

ASSISTANT: Your booking has been confirmed.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.