You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Edward Hall. I would like to meet my brother at Washington, will you help me in booking the flight ticket from DTW to DCA?

ASSISTANT: Ok, please mention your trip dates to check the availability of flights.

USER: My travelling dates are 05/10 and 05/12.

ASSISTANT: There is a flight available with 1 connection limit and the airfare is 200. Can I book?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok, the flight ticket is booked and the airlines is UA.

USER: Thank you for helping me.

ASSISTANT: The flight 1004 is confirmed, thank you for choosing our agency.