You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: This is Patricia Brown. I want to cancel my recent reservation as my business meeting got cancelled, can you please help me with that?

ASSISTANT: Sure, let me check your current reservation status.

USER: Ok.

ASSISTANT: Sorry, we didn't find any reservation on your name to cancel.

USER: That's ok, thanks for checking.

ASSISTANT: Thank you.