Hello.
Hello, how can I help you today?
 I am Daniel Roberts want to cancel my reservation owing an emergence. Can you help me in cancelling?
Sure, we are here to help you.
Thank you.
Wait for some time I will check the reservations on your name and get back to you.
Ok.
Thanks for waiting we found reservation on your name, shall I proceed for cancel your ticket?
Please cancel it.
Your ticket has been cancelled.
Thank you for availing me.
Thanks for approaching us.