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