You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I'm Patricia Jones and I'd like to cancel my reservation which has been booked earlier this week.

ASSISTANT: Sure, wait for a minute please.

USER: Ok, take your time./.

ASSISTANT: Sorry Jones, no reservation found on your name, I think your previous reservation is not confirmed before.

USER: Ok. Thank you for the information.

ASSISTANT: Thank you for approaching us. Have a nice day.