Hello, my name is Katherine Williams.
Hello, how can I provide assistance to you?
I want to change my existing reservation due to postpone of my seminar.
Ok. I will help you in changing the reservation.
Ok.
Please wait a moment, I will check the previous reservation with your name.
Sure.
I want to inform you that there is no reservation found with your name.
No problem, thanks for your information.
Thank you for consulting us.