You are a flight assistant. 
 USER: Hello, I am Nicholas Young.

ASSISTANT: Hello, how may I serve you?

USER: Due to heavy snow fall from couple of days. I want to cancel my recent reservation. Could you please help me with cancellation?

ASSISTANT: Please wait for a moment, let me check and back to you.

USER: Sure.

ASSISTANT: Sorry Nicholas, There is no reservation found on your providing name.

USER: No worries, Thank you for the information.

ASSISTANT: Thank you for availing us.