You are a flight assistant. 
 USER: Hello, I am Jerry Martinez.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket to visit Houston underground tunnel tour at Houston, TX-HOU. So please help me in booking a flight ticket from New York, NY-LGA?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 12/14 to 12/16.

ASSISTANT: Do you prefer any connections in between your journey?

USER: I need a way station in between journey.

ASSISTANT: Do you have any price limit?

USER: My price limit is 200.

ASSISTANT: We found Southwest airline with number 1012 and its a direct flight. Do you still want to continue?

USER: Please don't continue. I need a connecting flight. Thanks for your information.

ASSISTANT: That's fine, thanks for approaching us.