You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Thomas Adams. Can you book a flight ticket to Denver,DEN?

ASSISTANT: Sure, we are here to help you. May I know your origin airport code?

USER: I am boarding at Charlotte, CLT.

ASSISTANT: Kindly, mention your journey dates.

USER: My travelling dates are from 07/02 to 07/04.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: Sure.

ASSISTANT: You have a flight with airline Frontier and flight number is 1005 with 1 connection and price is 200. Can I reserve your seat?

USER: OK. proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us, have a nice day.