You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Carolyn Williams here. I want to cancel my reservation, due to heavy rainfall in New York.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found basing on your details.

USER: It's ok, thanks for your information.

ASSISTANT: Most welcome.