You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I am Richard Thompson. Can you provide a flight ticket to Atlanta, ATL under 500 fare.

ASSISTANT: Sure. May I know your preferable travelling dates?

USER: Sure, my preferable travelling dates are 12/05 and 12/07.

ASSISTANT: Where will you start your journey?

USER: I will start from Charlotte, NC - CLT.

ASSISTANT: Ok, please wait for a moment.

USER: OK.

ASSISTANT: Thanks for waiting, we found a direct flight with your request. Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked with in Delta 1009 flight.

USER: Thank you.

ASSISTANT: Thanks for opting us.