Hello.
user
Hello, how may I aid you?
assistant
Can you please cancel my existing reservation as my plan to attend a flower festival got cancelled?
user
Sure, on whose name previously booked?
assistant
Previous reservation is done on my name Karen Hill.
user
 I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
assistant
Ok, not an issue.
user
Thank you.
assistant
Thank you for the information.
user