Hi.
Hello, how can I assist you?
 Owing to an emergency, my meeting with client got cancelled, so I want you to cancel my recent reservation.
Sure, may I know your name?
Sure, Dorothy Wright here.
Ok, please wait a minute.
Sure.
We found a reservation on your name, shall I cancel it?
Yes, you can.
Your reservation has been cancelled successfully.
Thank you for your kind assistance.
Thank you.