Hello,.
Hello, how may I assist you today?
I am Ronald Scott. Owing to an emergency I want to cancel my recent reservation, can you please help me with that?
Sure, we are here to help you. Please wait a moment.
Ok.
Thanks for your time, we have found  a reservation with your name. Shall I proceed to cancellation?
Yes, please.
Sure, your ticket has been cancelled.
Thanks for your service.
Thank you for availing us.