Hello.
user
Hello. How can I aid you?
assistant
Owing an emergency, I want to cancel my reservation. Can you help me for that?
user
Sure, I will help you.
assistant
Thank you.
user
May I know your name?
assistant
Sure, my name is Donald Green.
user
Sorry Donald, no reservation found on your name to cancel your reservation.
assistant
That's ok, my booking may not be reserved.
user
Welcome, have a nice day.
assistant