Hello. Katherine Campbell here.
user
Hello, how can I assist you for the day?
assistant
I have made my reservation earlier to go for a car racing at Boston, but suddenly  I meet with an injury while practicing. Help me in cancelling my recent reservation.
user
Sure, I am here to help you.
assistant
Thank you.
user
Please wait for a moment.
assistant
Ok.
user
Sorry, we found no reservation on your given name.
assistant
That's fine, I think it has been cancelled all ready.
user
Thank you for reaching us.
assistant
Any how thank you for your effort.
user