Hello.
user
Hello. How may I assist you today?
assistant
I am Michelle White. Please change my reservation as my meeting was changed.
user
Sure, please wait for a minute.
assistant
Ok, I will wait.
user
 Sorry for the trouble which is caused to you, there is no reservation found with your name in our system data to change the reservation.
assistant
Ok, no problem. Thank you.
user
My pleasure.
assistant