Hello,.
user
Hello, how may I serve you for the day?
assistant
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.
user
Sure, we are  here  to help you.
assistant
Thank you.
user
May I know on which name the ticket has been reserved?
assistant
My name is Charles Campbell.
user
Ok, please be on hold.
assistant
Sure.
user
Thank you for waiting. Sorry we could not find any reservation with your name to cancel your ticket.
assistant
Not a problem, thank you for the information.
user
Thank you for choosing us.
assistant