You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Jack Martin.

ASSISTANT: Jack, how can I serve you now?

USER: I want to meet my project manager at Denver, can you please book the flight ticket from IAD to DEN?

ASSISTANT: Could you please tell me your travel dates?

USER: I will depart on 11/27 and return back on 11/29.

ASSISTANT: Southwest airlines is available for you with flight number 1011.

USER: I am comfortable with this flight, you can book the ticket.

ASSISTANT: Your ticket is reserved with price 200.

USER: Thank you very much for your help.

ASSISTANT: Thank you for approaching us.