Start by heading over to your calendar tab

Click the lines on the top right corner

Select "scheduling settings"
​

Set the number of bookings you will accept per day, as well as how long you'd like each booking to be.
​
​

Adjust the amount the number of hours beforehand that a client can book a session and how far out in advance.
​
​

Give yourself a good amount of time before and after a session to avoid an overwhelming day or overlapped bookings.
​
​

Hit Save and you're all set!