You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation due to heavy snowfall at my destination, can you please help me with that?

ASSISTANT: Sure, may I know your name for the cancellation process?

USER: Brenda White here.

ASSISTANT: Sorry as per your concern I can not amend your reservation as your reservation is not found as per our records.

USER: That's ok, thank you for checking.