The calendars for personal lessons/appointments and open schedule tour can be found on the Calendar tab, but they are in a different location then the regular classes, courses, tours.
To locate these calendars:
1. Go to Calendar
2. In the Navigation section, click the expand option  next to Resources
3. Expand the resource type  you want to view the calendars for (in our example, Teachers)
4. Select a resource 
5. View the booking(s)  on the right side of the screen