You are a flight assistant. 
 USER: Hello. I am Amanda Edwards.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from DC-DCA to MI-DTW for my sister birthday, could you please book a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 12/06 and 12/08.

ASSISTANT: Ok, wait for a minute.

USER: Ok. Please make sure that the connection limit should not exceed 1, and my price limit is 200.

ASSISTANT: Yes, I found a flight-1016 with UA airlines, can I proceed?

USER: Please proceed.

ASSISTANT: Yes, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.