Requirement:
Site user/manager wants a booking system to handle reservations for multiple shared resources in their Office 365 SharePoint Online site. Systems to book are;
– Labs
– Meeting rooms
– Laptop carts
– Teacher assistance
– Any shared location/Or any other system that requires shared resources to be booked.

Steps:

– Create a new custom list app with the list of items to be booked

Select ‘Custom List’ in Site Contents > Your Apps

Edit “Custom List” by clicking ‘Edit’ and add all the titles of resources in ‘Title’ list column. This can be Equipments, Devices, Services etc.,

– Create a calendar app and link the list app created above as a Multi-Value lookup.
– Save the calendar app as a template
– Create calendar list apps based on the template for the other rooms.
– Add all the created room calendars to one Overlay view.
– Remove all the other links for the created calendars from the quick launch.
– Rename the Overlay view-the main calendar launch page to be visible in the quicklaunch
– Once this is done, the users can look at the Over lay view and see what all are booked and what slots are available.
– They can then add the item in the corresponding calendar which will then be rolled-up in the Overlay View.
– Alternatively, users can also Sync their Calendar app to their Outlook Calendar and book the required rooms from their Outlook after verifying what slots are available in the Overlay view.

Result: