You are a flight assistant. 
 USER: Hello, Gregory Smith here.

ASSISTANT: Hello Smith, how can I help you?

USER: I want to cancel my reservation due to heavy snow fall, can you please help me?

ASSISTANT: Sure, just wait for a while Smith.

USER: Ok.

ASSISTANT: Sorry to inform you, there is no reservation found with your name in our database.

USER: No issues, thank you for your service.

ASSISTANT: My pleasure.