You are a flight assistant. 
 USER: Hello. I am Lisa Moore.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to go for Comedy city tour at Charlotte, CLT. Can you please book a ticket on 06/09?

ASSISTANT: Sure, when do you want to return back?

USER: I will return on 06/11.

ASSISTANT: May I know your source point?

USER: Source code is Denver, DEN.

ASSISTANT: Hold on a minute.

USER: Sure.

ASSISTANT: We found a flight on southwest airline, flight number as 1016 with the fare of 100. Shall I book it?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.