You are a flight assistant. 
 USER: Hello. I am John Parker.

ASSISTANT: Hello. How may I assist you?

USER: I planned to attend for a wedding in CLT, can you please help me to book a flight ticket from DEN?

ASSISTANT: Fine, may I know your preferable dates?

USER: I prefer to travel on 12/13 and 12/15.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: AA airline providing service to you with price 100 and connection 1, shall I book it?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, booking is done with flight-1022.

USER: Thank you for your help.

ASSISTANT: Welcome John Parker.