You are a flight assistant. 
 USER: Hello. I am John Wilson.

ASSISTANT: Hello, can I help you today?

USER: I am planning travelling to New York NY-EWR, help me in booking my flight ticket.

ASSISTANT: Sure, could you forward your trip dates?

USER: 11/14 to 11/16 are my travelling dates?

ASSISTANT: Where do you want to board?

USER: My boarding point is NY-JFK.

ASSISTANT: There are no flights available to your destination.

USER: Its ok, thank you.

ASSISTANT: Thank you.