You are a flight assistant. 
 USER: Hello. I am Justin Smith.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I want to attend Science festival at New York, LGA. Can you help me in booking from Houston, HOU?

ASSISTANT: Sure, we are glad to help you. How much you can afford for this trip?

USER: Make sure that price limit is 1000.

ASSISTANT: Could you mention your depart and return dates?

USER: My travelling dates are from 11/21 to 11/23.

ASSISTANT: May I know your connection limit?

USER: I need 1 connection.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We have a flight with 2 connection which does not matches your request.

USER: Ok, No problem. Thank you.

ASSISTANT: Thank you for choosing us.