You are a flight assistant. 
 USER: Hello, I am Jeffrey Brown.

ASSISTANT: Hello, how may I aid you today?

USER: I want to participate in Sports festival at New York, Can you book a ticket?

ASSISTANT: Sure, we are here to help you for booking. May I know your journey dates?

USER: My journey dates are 10/11 and 10/13.

ASSISTANT: Let me know your budget?

USER: I can spend up to 200.

ASSISTANT: Ok, please share your journey airport codes.

USER: My source is Dallas & Fort Worth, TX - DFW. My destination airport code is NY - LGA.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there were no flight found based on your request.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for availing us.