You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary Roberts.

ASSISTANT: How can I aid you?

USER: I would like to visit the Michigan Soldiers' and Sailors' Monument at Detroit, DTW. Can you please book a ticket from Washington, DCA?

ASSISTANT: Sure. Could you please share your departure and arrival dates?

USER: I want to depart on 01/04 and return back on 01/06.

ASSISTANT: We found a Southwest airline, flight number:1002 and the price is 100.

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.