You are a flight assistant. 
 USER: Hello, Patricia Turner here.

ASSISTANT: Hello. How may I help you out?

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

ASSISTANT: Sure, I will help you out. Ok, please wait a moment. Sorry, there are no reservations found on this name.

USER: Ok.

ASSISTANT: Sorry, there are no reservation found.

USER: Thank you.

ASSISTANT: Thank you for choosing our services.