You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Charles Gonzalez. I would like to cancel my reservation, could you help me out?

ASSISTANT: Sure, I am here to help you in cancelling the the flight ticket. Please allow me a moment to check your reservation details.

USER: Sure, take your time.

ASSISTANT: Sorry Charles, there is no active reservation on your name.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your time.