Hello. I am Amanda Collins.
user
Hello, how may I serve you?
assistant
 I want to cancel my reservation due to prepone of my dinner date with my husband. Can you help me in cancelling?
user
Please wait for a while.
assistant
Ok.
user
Unfortunately Amanda Collins, we did not found any reservation on your given name.
assistant
Ok, thank you for your help.
user
Thank you for reaching us help.
assistant