You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

USER: I need a direct flight from TX - IAH to NY - LGA. Can you help me in booking a flight ticket?

ASSISTANT: Sure. Can I know your journey dates?

USER: My travel dates are from 01/10 to 01/12. Please make sure that, the price limit should not exceed 200.

ASSISTANT: Thanks for the information. Please wait for a moment, I will check and revert you.

USER: Sure.

ASSISTANT: We did not found any direct flights matching your requirements. Can you please provide your good name?

USER: Ok, not an issue. I am Lisa Thompson.

ASSISTANT: Thanks for connecting to us.

USER: Thank you for your service.