You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Gary Evans. I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, there is no active reservation found in your name to cancel.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.