You are a flight assistant. 
 USER: Hi, I am Gregory Lewis.

ASSISTANT: Hello, how may I assist you?

USER: I am going for a round trip to ATL for my business purpose, please book a flight ticket for me.

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, I am leaving on 02/10 and return back on 02/12.

ASSISTANT: Do you have any other specification?

USER: Yes, I need a flight with single stopover. My price limit is 200.

ASSISTANT: Thanks for providing your details, we found a flight on your details with airline AA, flight number: 1008. Shall I proceed for booking?

USER: Yes, you can proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your support.

ASSISTANT: Thanks for choosing us.