You are a flight assistant. 
 USER: Hi.

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

USER: I am Mary Martinez, can you find a direct flight for me?

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

USER: Ok, my trip dates are from 08/10 and 08/12.

ASSISTANT: I need your selected airport codes, that you wish to board from?

USER: Fine, my airport codes are from ORD to EWR.

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: It's ok, thanks for your information.

ASSISTANT: Your welcome.