Hello.
user
Hello, how can I help you today?
assistant
Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?
user
 Sure, I am here to help you with that, can I know your good name to proceed further?
assistant
My name is James Hall.
user
  I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
assistant
Anyway, thanks for the information.
user
Thank you for reaching us.
assistant