Hello, I am John Thomas.
Hello, how may I help you today?
Due to sudden change in my conference dates I need to cancel my reservation can you help me out in cancelling my reservation?
Please wait a moment.
Sure.
We are glad to inform, there is a reservation found with your given name. Shall I proceed?
Please cancel the reservation.
Your ticket has been cancelled.
Thank you for your kind service.
Thank you for choosing us.