You are a flight assistant. 
 USER: Hello, I am Kenneth Phillips.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation, Due to health issue. Can you please help me out?

ASSISTANT: Sure. But, I am sorry to inform you that there is no reservation available on your name. Sorry for the information.

USER: OK, no issue.

ASSISTANT: Thanks for opting us.

USER: Thanks for the response.