You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you now?

USER: I am Michael Robinson. I want to cancel my reservation, due to my health issues. Could you help me in the cancellation?

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry to inform you that there was no reservation on your name to cancel.

USER: Not an issue.

ASSISTANT: Thank you for availing us.

USER: Thank you.