Hi.
user
Hello, how may I aid you today?
assistant
 I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?
user
Sure, may I know your good name?
assistant
Amy Hall here.
user
Ok, please wait for a minute.
assistant
Sure.
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