Hi.
Hello, how can I assist you?
 I already have an reservation to attend at my meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation. Can you help me with this?
Sure, I will help you. To check the reservation list, May I know your name?
I am Jessica Lopez.
Ok, please wait a moment.
Ok.
Sorry, there is no reservation found on your name.
Ok, thanks for your information.
Thank you for choosing us.