1. Is this dialog a logical or a physical model? Could it be a phone registration system? Could a clerk at a desk handle the dialog manually? Discuss.
2. Discuss how well this dialog follows the eight golden rules.
3. Complete the dialog by adding likely exchanges between the student and the system as the student adds one more course. The student should request more details about a course and then decide to add the course. Include a request from the student to see final schedule details.