You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I want to cancel my reservation due to heavy snowfall at my destination place, so please cancel it.

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is John Williams from New York.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: There is no reservation found on your name in our database.

USER: No issues, thanks for your assistance.

ASSISTANT: Thanks for availing us.