Hi, I am Brenda Wilson.
user
Hello, what kind of service are you looking for?
assistant
 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.
user
Sure, we make it for you. Please hold on while I am checking the reservation list.
assistant
Ok.
user
Thank you for waiting, there is no reservation found on the name, Brenda Wilson.
assistant
No problem, thanks for the information.
user
Thank you for choosing us.
assistant