If you need to select booking sessions for a customer's bundle, follow these steps:
Go to the Customers section and search for the customer whose bundle booking you want to manage.
Click on 'View' next to the customer’s name.
In the customer profile, under Customer Activity, click Purchases.
Search for the bundle booking you want to select dates for, and click 'View Purchase'
Now click the three-dot settings icon and select 'Select Bundle Dates'.
Now select the dates and click 'Select Dates'.