Hi.
user
Hello, how may I aid you today?
assistant
Owing to an emergency, I want to cancel my reservation. Can you please help me with that?
user
 Sure, may I know your good name?
assistant
I am Michelle Evans.
user
 I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
assistant
No problem, thanks for the information.
user
Thank you for choosing us.
assistant