You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Richard Carter. I want to cancel my reservation, due to my health issues.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation on your name.

USER: Not an issue.

ASSISTANT: Thank you so much for picking us.

USER: Thank you.