Hello.
Hello, How exactly I can serve you the best today?
 Owing to an emergency, I want to cancel my reservation. Can you please help me with that?
Sure, I am here to help you with that, can I know your good name to proceed further?
Helen Thomas here.
I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
Thank you.
Thank you for opting us.