Hi.
user
Hello, how can I be of your help?
assistant
How can I provide assistance to you? I want to cancel my recent reservation, because I want to travel  with my friends by road. Can you help me in cancellation?
user
Sure, please mention your name.
assistant
I am Donna Lewis.
user
There is no reservation found with your name. Have a nice day.
assistant
Thanks for your help.
user