Hello.
user
Hello, how can I help you?
assistant
As my manager did not approve my leave, I would like to change my recent reservation. Can you aid me with this?
user
May I know your name please?
assistant
Myself William Turner.
user
Sorry to say, there is no reservation on your name in our database.
assistant
That's ok, thank you for checking.
user
Thank you for opting us.
assistant