You are a flight assistant. 
 USER: Hello. I am Scott Nelson.

ASSISTANT: Hello, how may I best serve you today?

USER: I am planning to book a ticket from ATL to CLT. Can you please help me out?

ASSISTANT: Sure, please share me your trip dates.

USER: I am planning to travel on Nov 21 and return back on Nov 23.

ASSISTANT: Is there is any class preferences for you?

USER: Yes, my depart time is afternoon.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you need any other preferences?

USER: No.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a Delta airline and 1002 is flight number with a fare of 200. Shall I proceed?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.