You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book me a flight ticket within the price of 500?

ASSISTANT: Sure, can I have your name please?

USER: Sure, my name is Matthew Wright.

ASSISTANT: Ok, let me know your travelling airport codes?

USER: My source is New York, NY - JFK.

ASSISTANT: Ok, what are your planned journey dates?

USER: My journey dates are on 12/27 to 12/29. And my destination is Washington, DC - DCA.

ASSISTANT: And your destination airport code? Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, flight- 1010, airline- Southwest, price- 100 with connection matches your requested details.

USER: Ok, you can book a seat for me.

ASSISTANT: Shall I proceed?

USER: Sure.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.