You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Please book me a flight ticket from ATL to CLT.

ASSISTANT: Sure, can you please share your travel dates?

USER: My journey dates are Mar 23 to Mar 25.

ASSISTANT: Do you have any connection limit?

USER: Single connection is required?

ASSISTANT: May I know your airline preference?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Justin Miller here.

ASSISTANT: UA airlines is having a connecting flight with a ticket fare 200, shall I proceed with booking?

USER: Sure, proceed book it.

ASSISTANT: Your ticket has been confirmed with the flight-1021 in economy class.

USER: Ok, thanks for responding.

ASSISTANT: Welcome, have a safe trip.