You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in booking a flight ticket to CLT from DEN?

ASSISTANT: May I know your trip dates?

USER: My travel dates are from Sept 07 to Sept 09.

ASSISTANT: Let me know your connection limit.

USER: I need a connecting flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name?

USER: I am Donald Harris.

ASSISTANT: There is a connecting flight-1021 in economy class, shall I proceed?

USER: You can proceed.

ASSISTANT: Booking is done on AA airlines.

USER: Thank you.

ASSISTANT: Welcome Donald Harris.