Hello,.
Hello, how may I serve you for the day?
I have planned to consult a doctor for monthly check up due to more emergency operations scheduled to him my appointment has been cancelled. help me in cancelling my reservation.
Sure, we are  here  to help you.
Thank you.
May I know on which name the ticket has been reserved?
My name is Charles Campbell.
Ok, please be on hold.
Sure.
Thank you for waiting. Sorry we could not find any reservation with your name to cancel your ticket.
Not a problem, thank you for the information.
Thank you for choosing us.