You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Anthony Collins, I want to cancel my reservation, due to health issues.

ASSISTANT: Sure. Please hold on.

USER: Ok.

ASSISTANT: Unfortunately, we did not find any reservation on your name.

USER: Thank you, for your service.

ASSISTANT: Thank you for availing us, have a nice day.