You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: My name is Raymond Jones. Due to health problem, I want to cancel my reservation.

ASSISTANT: Sure, I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry to tell that there is no reservation on your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for approaching us.