You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I best serve you?

USER: I want to book a flight ticket to Atlanta with price under 200. Can I proceed with booking?

ASSISTANT: May I know your good name please?

USER: My name is Mark Baker.

ASSISTANT: Let me know your travelling dates?

USER: My travel dates are 02/27 and 02/29.

ASSISTANT: May I know your source ad destination?

USER: Source is SFO and destination is ATL.

ASSISTANT: We found a flight ticket in Spirit airline, 1008 flight number with your request. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.