You are a flight assistant. 
 USER: Hello. I am Mark King.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help in booking a flight ticket from DC-IAD to reach AZ-PHX?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are from Aug 29 to Aug 31.

ASSISTANT: Do you have any specifications?

USER: I need a flag stop in between journey.

ASSISTANT: We found a economy flight on your details with airline JetBlue, flight number: 1009. Shall I book this ticket?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your excellent support in flight booking.