Hello.
Hello, how may I oblige you today?
 I want to cancel my reservation as my project got ramp down. Can you help me with that?
Sure, may I know your good name?
I am William Brown.
Ok, please wait for a moment.
Sure.
I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
No problem, thanks for the information.
Thank you for choosing us.