You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Ronald Moore. I just want to cancel my recent reservation because my health not good to travel.

ASSISTANT: Give me a minute, let me check the details.

USER: Ok.

ASSISTANT: Sorry Moore, there are no reservations found on your name.

USER: Ok, that's fine. Thank you for your services.

ASSISTANT: Welcome.