Hi.
Hello, how may I oblige you today?
I am Daniel Martin.
Ok.
I want to cancel my reservation, owing to an emergency meeting. can you please cancel my ticket?
Sure, we are gleeful to help you for cancellation.
Thank you.
Please wait a moment.
Ok.
Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
Ok, no issues. Thank you.
Thank you for choosing us, Have  a blissful day!.