You can easily set this up by combining Standard availability and Date override availability. Here's how to do it:
- Navigate to  AI Scheduler → Availability page AI Scheduler → Availability page
 
- Select a user from the top AI Scheduler filter 
 (available for users with Super Admin and Sales Manager permissions)
 
- Select a user and set availability for one week on standard availability on the left 
 
- Save changes and click on the "Add Date Override" button and set availability for every other week 
 



