Hello.
Hello, how can I aid you?
Owning to an emergency I want to cancel my recent reservation. Can you please help me with this?
Sure, I am here to help you. May I know your name to check with existing reservation?
I am Ruth Edwards.
 I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
Ok, not an issue. Thank you for checking.
Thank you for choosing us.