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

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to attend a press conference at New-York, help me in booking my flight ticket from New York NY-JFK.

ASSISTANT: Sure, let me know your destination airport code.

USER: My destination airport code is NY-LGA.

ASSISTANT: Ok, please share your journey dates for booking.

USER: My travelling dates will be 06/22 to 06/24.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, there were no flights found on your destination route.

USER: No problem, thank you for your assistance.

ASSISTANT: Thank you for availing our service.