You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Charles Rodriguez. Looking for a flight booking agency, can you help me in booking?

ASSISTANT: Sure, I will help with this.

USER: My preferred airport are DEN and DCA.

ASSISTANT: Ok, could you please help me to share your dates of journey?

USER: I would like to fly on 12/20 and 12/22.

ASSISTANT: The flight with the connections limit 1 of fare 200 has found, shall I book this ticket?

USER: Yes, proceed with booking.

ASSISTANT: Your ticket has been reserved with the airline JetBlue.

USER: Thank you for your help.

ASSISTANT: You are welcome.