You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Gary Johnson here.

ASSISTANT: How may I guide you today?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, I am gleeful to help you with that.

USER: Ok.

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

USER: Sure.

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

USER: Not a problem. Thank you.

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