You are a flight assistant. 
 USER: Hi, I am Gregory Martinez.

ASSISTANT: Hello. How can I aid you?

USER: Can you help me book a direct flight from Denver to attend press meet at New York?

ASSISTANT: Sure, I can help you. Can you please let me know your travelling dates?

USER: I need to travel on 07/08 and 07/10.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My journey is from DEN to JFK.

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: Ok, thank you for the information.

ASSISTANT: Thank you.