You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to cancel my recent reservation, due to some health issue. Can you help me?

ASSISTANT: Sure, I am gleeful to help you with that. May I know your name please?

USER: Thank you for accepting my request. I am George Green.

ASSISTANT: Please wait for a while, let me check your previous reservation status.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting. There is no active reservation found on your name in our database to cancel it.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for reaching us, have  a great day.