You are a flight assistant. 
 USER: Hello, I am Barbara Wright.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend a meeting in National Center for Civil and Human Rights at Atlanta, ATL. Can you please book a ticket within the fare of 500?

ASSISTANT: Sure, can I know when you want to travel?

USER: I want to travel on 03/19. And return back on 03/21.

ASSISTANT: Ok, please help me with your source code.

USER: I want to board from Washington, IAD.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with number 1007 and airline UA at a price of 100 with 1 connection. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us, have a nice day.