You are a flight assistant. 
 USER: Hello, I am Edward Miller.

ASSISTANT: Hello, what help you need from us?

USER: I would like to go to a match in Houston, so could you please book a ticket?

ASSISTANT: Sure, can I get the airport codes?

USER: My airport codes are ATL and HOU.

ASSISTANT: Can I have the dates of your journey please?

USER: I would like to go on 04/19 and return back on 04/21.

ASSISTANT: Please hold on for a moment.

USER: Ok.

ASSISTANT: There is a flight available with AA airlines costing 100, shall I book it?

USER: Ok, please proceed if it is a single connecting flight.

ASSISTANT: Your ticket is confirmed, flight number is 1001.

USER: Thank you.

ASSISTANT: Thank you for approaching us, keep utilising our services.