Hi, I am Brenda Wilson.
Hello, what kind of service are you looking for?
 I made my reservation in advance, but now found out I don't have any leaves so want to change my reservation.Please help me to change it.
Sure, we make it for you. Please hold on while I am checking the reservation list.
Ok.
Thank you for waiting, there is no reservation found on the name, Brenda Wilson.
No problem, thanks for the information.
Thank you for choosing us.