On the member's profile, you will find the 'bookings' tab. If you click here you will see a screen similar to this:
Here you can view all classes the member has booked. Along with the title of the bookings and details, there is also a status report (highlighted below):
This will show whether the member attended, cancelled, or didn't show up to the booking. Clicking on the 'Go to bookings' button near the top of the screen will redirect you to the bookings calendar.