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