Hello, I am Rebecca Wilson.
user
Hello, how can I help you?
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. Please help me in changing?
user
Sure, please wait a minute. Sorry, there is no reservation found with your name.
assistant
Ok. Ok, no issues.
user
Thank you for reaching us.
assistant
Thank you for your help.
user