Hello.
user
Hello, how can I help you?
assistant
 I want to cancel my reservation which is done recently, due to business meeting was postponed. Can you help me?
user
May I know your name please?
assistant
Sure, I am Jonathan Martinez here.
user
Sorry to say, there is no reservation on your name in our database.
assistant
Ok, It might be canceled by my brother, but he didn't inform me.
user
Thank you for opting us. Have a nice day.
assistant
Anyway, thank you for searching.
user