Hi.
Hello, how may I assist you today?
My friend birthday party place has been changed to Orlando. Can you please change my existing reservation?
Sure, may I know your good name  to check the reservation?
I am Donna Hall.
Please wait for a moment, I will check and revert to you.
Sure.
Thank you for waiting, there is no reservation found on your name.
Ok, no issues. Thanks for your response.
Thank you for availing with us.