You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best may I serve you today?

USER: I am Jerry Williams, I need to book a flight ticket on the dates of 01/30 to 02/01.

ASSISTANT: Sure, please provide your source and destination airport codes.

USER: My source is DC - DCA and my destination is NC - CLT.

ASSISTANT: Ok, May I know your price limit?

USER: My price limit is 500.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, There is a flight found in 1013 UA airline with price 100.

USER: Ok, please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for connecting with us.