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

ASSISTANT: Hello, how may I support you?

USER: I want to book a direct flight ticket to attend conference meeting at New York, NY-JFK. Can you please help me in that?

ASSISTANT: sure, can you please share your travelling dates?

USER: My travelling dates are from 03/09 to 03/11.

ASSISTANT: May I know your price limit?

USER: My price limit is 1000.

ASSISTANT: Kindly share your source code.

USER: My source airport is NV-LAS.

ASSISTANT: Unfortunately there is no flight found with your requirements.

USER: That's not a problem.

ASSISTANT: Thank you for availing us.

USER: Thanks for your service.