Hi, I am Betty Lewis.
user
Hello, How may I aid you?
assistant
I want to cancel my reservation due to some personal work, can you please help me with that?
user
Sure, please wait a moment.
assistant
Ok.
user
Thanks for waiting.Sorry there is  no reservation found on your name.
assistant
Thanks for your service.
user
Thank you for contacting us.Have a nice day.
assistant
Ok, thank you for your help.
user