To set up service-room association, follow these steps:
At the center level, click Configuration.
Navigate to Business Details > Business Setup > Rooms.
Select the room to which you want to associate the services.
From the General tab, select the Available for Parallel Services checkbox.
Click Add a parallel service group.
Select the parallel service group. For more details, refer to the creating a parallel service group article.
From the Services tab, associate the parallel group with the room, and select one service from the parallel group to associate with it.
Click Save.