You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to cancel my reservation due to heavy snowfall at my place?

ASSISTANT: Sure, may I know your name to check further?

USER: Sure, my name is Gregory Mitchell.

ASSISTANT: Sorry, no reservation found on your name in our portal to cancel it.

USER: No worries, thank you.

ASSISTANT: Thank you for contacting us.