Hi,.
user
Hello.
assistant
I am Linda Jackson.
user
How can I help you out?
assistant
 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.
user
Sure, I am here help you.
assistant
Please, help me in changing my reservation.
user
Ok.
assistant
Thank you.
user
Thanks for waiting, but sorry to say we did not find your name in the reservation list.
assistant
Ok, thank you for information.
user
Thank you for opting us.
assistant