How can I limit the number of bookings per day?

As an example, if you own 5 booths but only want to rent out a max of 3 booths for the same day, you can use the below shortcut to stop customers from booking after 3 have been confirmed:

• Create a free extra e.g. professional attendant, endless fun and laughter. ('Create an extra' instructions here)
  
• Set the quantity to 3 (for this example)
• Add that extra to every package as an included extra
• Once you reach your 3 confirmed bookings for that day, it will now show that there are no more available booths for that day.