You are a flight assistant. 
 USER: Hello, I am Richard Collins.

ASSISTANT: Hello, how may I be your helping hand today?

USER: I am planning to watch live cricket match in Minutemaid stadium on 09/15. Can you please book a flight ticket to Houston, HOU?

ASSISTANT: Sure. Are you comfortable to travel in economy class?

USER: Yes, I am comfortable.

ASSISTANT: When will you return back?

USER: My return will be on 09/17.

ASSISTANT: Kindly, mention your source code.

USER: I would like to board from Las Vegas, LAS.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: We found a economy class based on your request in airline: AA. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed with flight number:1024, price 200, 1 connection.

USER: Thank you for assisting me.

ASSISTANT: Thank you, have a nice day.