You are a flight assistant. 
 USER: Hi. I am Ronald Wilson.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I need to cancel my reservation due to some issues in my family, can you help me out?

ASSISTANT: Sure, I will help you. Please allow me a moment to check your reservation status.

USER: Sure, take your own time.

ASSISTANT: Sorry Ronald Wilson, there is no reservation existing on your name.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: You are welcome, have a nice day.