Hi.
Hello, how may I be of your service?
 Owing to an emergency, my meeting with client got cancelled, so I want you to cancel my recent reservation.
Sure, I am glad to help you with the ticket cancellation. Could you please help me by providing your name to check the reservation status?
Thank you. Sure, William Brown here.
Ok, please wait a moment I'll check the reservation list.
Sure.
Thank you for waiting, no reservation was found on your name in our database.
Ok, no issues at all. Thank you for your information.
Thank you for approaching us.