We'll create fresh WordPress site with AffiliateWP – Booking Calendar installed. You have 20 minutes to test the plugin after that site we'll be deleted.
When the plugin is activated, navigate to Affiliates – Settings – Integrations. You will see a new integration in the list, Booking Calendar.
Grab your Affiliate referral tracking URL from Affiliate Area page and use it to refer other customers. After booking is made, the referral is tracked.