You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Gary Hernandez here. I need to cancel my existing reservation, which is done recently. Can you please help me out in cancelling my reservation?

ASSISTANT: Sure, I am here to help.

USER: Thank you for considering my request.

ASSISTANT: Let me check your current reservation, it may take a while.

USER: Sure, take your own time.

ASSISTANT: Thank you for staying connected. We don't see any reservation on your name to cancel.

USER: Not a big problem, anyway thank you for the information.

ASSISTANT: Thank you.