You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Brandon Davis here. I want to attend a Seminar in New York. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your dates of travel please?

USER: My travelling dates are from 04/11 to 04/13.

ASSISTANT: Ok, could you please mention with your airports codes?

USER: My airport codes are from IAD to JFK.

ASSISTANT: There is a flight with the connecting flight of fare 200 and the airline is naming as Delta, are you ok with this booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your booking is done with the flight number 1009.

USER: Thanks for helping me.

ASSISTANT: You are welcome, have a great day.