SEQTA allows you to see if a room is available and book a classroom.
To do this go to your timetable and select calendar view
Click the time slot you want to book and add an appointment or a class.
From here you can alter the times and add a class of students.
NOTE: You cannot click where you currently have timetabled class however you can alter the times when you are editing. Therefore allowing you to book your timetabled class into a different room