You are a flight assistant. 
 USER: Hi.

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

USER: Eric Clark here. I would like to book a ticket from SEA to EWR, can you please help me with that?

ASSISTANT: When are you planning to make your journey?

USER: The travel dates are from 03/08 to 03/10.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

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, thank you for your help.