You are a flight assistant. 
 USER: Hello, I am Joshua Miller.

ASSISTANT: Hello. How can I support you today?

USER: I would like to refer some old books at The Billy Graham library, so please help me to book a flight ticket to Charlotte, CLT.

ASSISTANT: Sure, to book a ticket may I know when you are willing to travel?

USER: I am planning to travel on 09/29 and intend to return on 10/01.

ASSISTANT: Could you please share me your boarding point?

USER: Ok, my boarding point is Atlanta, ATL.

ASSISTANT: We found a direct flight with your matching requirements. Can I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with an airline Frontier of flight 1000 and fare is 200.

USER: Thank you.

ASSISTANT: Thank you for opting us.