You are a flight assistant. 
 USER: Hello, Samuel Moore here.

ASSISTANT: Hello, What can I do for you?

USER: Due to some health issue, I want to cancel my recent reservation. Can you help me for this?

ASSISTANT: Sure. Sorry, No reservation found on your name.

USER: Ok.

ASSISTANT: Thank you for availing us, Have a good day.

USER: Thank you for providing information.