You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Gary Rodriguez here. My business meeting has been cancelled, so I would like to cancel my recent  reservation.

ASSISTANT: Wait a moment I will check it out whether your reservation existed or not.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for reaching us. Have a great day.