You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: My name is Rebecca Miller.

ASSISTANT: Thanks for providing your name.

USER: I want to cancel my reservation due to health issues.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry there is no reservation found on your name.

USER: No issue, thanks for your service.

ASSISTANT: Thanks for approaching us and have a nice day.