Hi.
user
Hello, how  can I help you today?
assistant
I am James Nelson. Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation. Can you help me?
user
Sure, please wait for a while.
assistant
Ok.
user
Thanks for waiting, there is no active reservation found with your name.
assistant
No issue. Thank you,.
user
Thank you for opting us.
assistant