You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, are you looking for flight ticket booking services?

USER: Yes. I'm Matthew Wright.

ASSISTANT: Ok, let me know your airport codes.

USER: I am planning to travel from CLT to IAD to attend business meeting at Washington.

ASSISTANT: Ok, can I have the journey dates?

USER: Sure, I would like to take off on 12/27 and return back on 12/29.

ASSISTANT: Please hold on for a moment.

USER: Ok, please make sure that the price limit does not exceed 500.

ASSISTANT: Ok. There is a flight available with 0 connections, shall I book it?

USER: Please don't proceed. I need a flight with 1 connection.

ASSISTANT: Ok, there are no connecting flights available.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.