You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Timothy Wilson. I am planning to book a flight ticket from DEN to JFK, can you please help me to book a flight ticket?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Sure, my trip dates are from 11/29 to 12/01.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT:  Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for your positive response.