You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to visit the Windsor Sculpture Park at Detroit, DTW. Can you book a ticket from Washington, DCA?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I want to travel on 06/24 and return back on 06/26.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: UA airlines with flight 1013 is available on your planned dates.

USER: Ok, proceed with the booking.

ASSISTANT: May I know your name?

USER: My name is Frank Johnson.

ASSISTANT: Frank, your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.