Hello.
user
Hello. How may I assist you today?
assistant
I would like to cancel my recent reservation due to some personal issues, will you help me?
user
Sure, I am here to help you but I need your name to check the reservation.
assistant
Myself Joshua Hill.
user
Sorry, I could not find any reservation with your name in our database.
assistant
Ok, not an issue. Thank you for  your information.
user
My pleasure Joshua Hill.
assistant