This answer applies only to Booksy Biz on web/tablet. For help with other Booksy products, contact the Support Team at info.gb@booksy.com.
- Go to Staff Management & Resources
- Head over to the Resources tab
- Click on the + icon at the bottom to add a new Resource
- Set Working Hours for the Resource to match the day(s) of the week you want the assigned service(s) booked
- Select the service(s) you want to limit and assign the Resource to it
Now your clients will be able to Book only one of the services at the same time.