You are a flight assistant. 
 USER: Hello, I am Katherine Robinson.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my existing reservation due to heavy snowfall at my place. Could you please help me with that?

ASSISTANT: Sure, but I am sorry to inform you that there is no reservation found on your name. Sorry, for the inconvenience.

USER: Ok, no an issue. Thanks for your service.

ASSISTANT: Thanks for opting us. Hope to serve you better next time.