You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself George Hall.

ASSISTANT: How may I aid you?

USER: I want to attend a seminar at Denver. Can you please help me in booking the ticket from DCA to DEN?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I will take-off 06/13 and again I will be return back on 06/15.

ASSISTANT: UA airlines is available in your route with the ticket fare of 200, shall I proceed with the booking?

USER: Sure, go ahead and book the ticket.

ASSISTANT: Your ticket is booked with the flight-1002.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for reaching us.