You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you  please book a flight ticket from CLT to DEN?

ASSISTANT: May I know your trip dates?

USER: Sure, I have planned my travel  dates as Feb 09 and Feb 11.

ASSISTANT: Is there any time concern?

USER: No, I am not specific about timings.

ASSISTANT: Any more requirements?

USER: I am looking for single connecting flight.

ASSISTANT: May I know your name?

USER: Sure, myself Nicole Collins.

ASSISTANT: There is a connecting flight-1011 in economy class, shall I proceed?

USER: That is fine, please  proceed with booking.

ASSISTANT: Booking is done on Spirit airlines.

USER: Thank you for your  help.

ASSISTANT: Welcome Nicole Collins.