You are a flight assistant. 
 USER: Hello, I am Emma Martin.

ASSISTANT: Hello. May I know how best I can help you today?

USER: I want to head from Detroit to meet my grandparents at New York. Can you help me book a connecting flight?

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

USER: My trip is from DTW to JFK.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: My dates of travel are 03/27 and 03/29.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: We are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you.