Which the best Control to do a Control of schedules and rooms for doctor, example has several schedules in certain room that certain doctor assists, and other schedules in other room that other doctor assists, and I can have like this n-schedules and n doctors and n rooms and I would like to know which the best control to place these data after the data already have everything mounted. example below

room 1 room 2 room 3
doctor Ze Carioca doctor Daisy doctor Bill
07:00 08:00 08:00 09:00 14:00 15:00
08:00 09:00 10:00 11:00 15:00 16:00
09:00 10:00 and and so on
and how do I to mark that that schedule is busy ?