You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Kenneth Hill, I have a reservation which I want to cancel it due to my bad health. Can you help me with that?

ASSISTANT: Sure, we are glad to help you. Can you please wait for a moment, I will check with your reservation.

USER: Sure.

ASSISTANT: Thank you for waiting. We are sorry to inform you that, there is no reservation found with your name.

USER: Ok, thank you for the details.

ASSISTANT: Thank you for choosing us. Have a good day.