Hello.
Hello, how can I assist you today?
 I already have an reservation to attend a meeting, due to some problems meeting place has been changed. So I need to cancel my reservation.
Ok, may I know your name please?
Sure, my name is Kimberley Martinez.
Ok, please wait for a moment, I will check and get back to you.
Ok.
Sorry, no reservation found with your name.
Ok, no problem. Thank you for your response.
Thank you for opting us.