You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I was fallen sick due to bad weather in my area, so I would like to cancel my existing reservation.

ASSISTANT: May I know your name please?

USER: I'm Nicholas Robinson.

ASSISTANT: Please wait for a moment, let me check your details.

USER: Sure.

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

USER: That's ok, no issues. Anyways, thank you for the information.

ASSISTANT: Most welcome.