Hello, I am Mary Hall.
Hello, how may I help you today?
I want to cancel my recent ticket booking due to office work that my manager did not approve my leaves, so can you please cancel it?
Sure, we are here to help you.
Thank you.
Please wait for a while.
Sure.
Thank you for waiting. We are happy to inform you that, we found  a reservation with your name. Shall I proceed to cancel it?
Yes, Please cancel it?
Your reservation has been cancelled.
Thank you for your help.
Thank you for reaching us.