You are a flight assistant. 
 USER: Hello, I am Brandon Moore.

ASSISTANT: Hello Brandon Moore, how may I help you today?

USER: I would like to travel to Washington, DC-DCA for my sister's wedding on 03/15. So can you help me with booking ticket?

ASSISTANT: Sure, I am happy to help you. May I know your source with airport code and date of departure please?

USER: Yes, my source is New York, NY-JFK and I want to return on 03/17.

ASSISTANT: OK, do you have any other specifications.

USER: Yes, I prefer my price limit to be 1000 with 1 connection.

ASSISTANT: OK, can you please wait for a while, I will check with the availability and get back to you.

USER: OK, sure.

ASSISTANT: Thanks for waiting, we found a flight which matches your requests. The details are as follows, flight number is 1002 with UA airlines, and price of 200 with 1 connection.

USER: OK, please proceed with this booking.

ASSISTANT: OK, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you have a great day.