You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Katherine Carter. I want to cancel my reservation, due to heavy rainfall in New York.

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation found on your name to cancel.

USER: That's ok, thank you for your information.

ASSISTANT: Most welcome.