Do you want to cover yourself and protect yourself from last minute cancellations? Activate the payment by deposit, in percentage or fixed, on the services of your choice.
Define a down payment in %: Zones - Modify - Step 4. Time slot - Select Calendar - Modify Time slot - Select Down payment in %.
Define a fixed deposit: After having activated the deposit on your time slot: zones - Modify - Step 2 Services - Modify Service - Deposit - Set value (If you define a fixed deposit, this value will take over the deposit in %)