Hello.
user
Hello.
assistant
Donald Green here.
user
Green, how can I help you today?
assistant
I want to cancel my ticket due to heavy floods in my place.
user
Sure, I am here to help you. please wait for a while.
assistant
Ok.
user
Sorry Green, I did not find  any reservation under your name.
assistant
It's ok, thank you.
user
Most welcome, have a nice day.
assistant