You are a flight assistant. 
 USER: Hello, I am Jason Hall.

ASSISTANT: Hello, how may I help you?

USER: I would like to go to my sister's home in Denver, so could you please book a ticket to me?

ASSISTANT: Sure, can I have your trip dates?

USER: I would like to go on 12/28 and return back on 12/30.

ASSISTANT: Please provide your nearest airport codes.

USER: My source and destination airport codes are MCO and DEN.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: There is a flight available with AA airlines, shall I book it? It's cost is 100.

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

ASSISTANT: Your ticket is confirmed, flight number is 1022.

USER: Thank you.

ASSISTANT: Thank you for approaching us.