Hello, I am Dennis Jones.
user
Hello, how may I assist you?
assistant
As my plan to go for shopping got postponed, I want you to change my reservation. Can you please help me?
user
Sure. Let me check the reservation list and revert you.
assistant
Ok.
user
We have gone through the data base but could not find any reservation by the name you provided.
assistant
It's ok, no problem. Thank you for the information.
user
Thank you for reaching us.
assistant