Hello.
user
Hello. How may I help you?
assistant
I have already reserved my ticket, but now I want to cancel that reservation. Can you help me to cancel the reservation?
user
Ok, may I know your name?
assistant
I am Karen Anderson.
user
Anderson, there is no reservation found for you.
assistant
That's ok. Thank you so much for your valuable information.
user
Welcome, have a nice day.
assistant