You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to flight ticket booking agency.

USER: Thank you, I want to cancel my recent reservation because of my health issue. Can you please help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you for considering my query.

ASSISTANT: May I know the name on which the ticket has been booked?

USER: Sure, the ticket is booked on the name of Kenneth Gonzalez.

ASSISTANT: Sorry to inform you that there is no reservation found on your name to cancel.

USER: Ok, no problem.

ASSISTANT: Thank you for your positive response.

USER: Thank you for your information.

ASSISTANT: Have a great day.