It is now also possible to have booking slots enabled in Online Booking in combination with using the optional Multi-Location scope in BRM (This is a PREMIUM option: Multi-Location modes).
To turn it on in Online Booking go to: Settings - Online - Offering Control
There you enable Booking Slots for your Online Booking by using the slider and telling the system which valid start times to use and the rental durations. (For more info:
Also turn on 'Multi-location OBW show stores'
You can now see in Online Booking your customers can select the pickup time and rental duration from the dropdown list, alongside the pickup location.
In case you would like to list more locations you can add more using Multi-Location modes