You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to prefer a single connection flight for my business trip to Washington. So can you book the flight ticket for me?

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

USER: The trip dates are from Dec 22 to Dec 24.

ASSISTANT: Can you please share your airport codes please?

USER: My airport codes are from DFW to DCA.

ASSISTANT: Is there any airline preferences?

USER: No.

ASSISTANT: May I know your name please for documentation purpose?

USER: I am Scott Robinson.

ASSISTANT: Do you have any other specifications?

USER: No, that is it. Please do search for a economy class flight.

ASSISTANT: Hawaiian airlines is providing connecting flight for you with the fare of 100 in economy class, shall I proceed with the booking?

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: Your ticket is booked with the flight-1006.

USER: Thank you.

ASSISTANT: Thank you for choosing us.