You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Williams Scott. I am planning to cancel my recent reservation, due to health issue. Can you please cancel my reservation?

ASSISTANT: Sure, I am gleeful to help you out. Please allow me a moment.

USER: Sure.

ASSISTANT: Sorry Scott, there is no active reservation on your name.

USER: That's fine. Thank you for your service.

ASSISTANT: Thank you for reaching us.