The document describes a new online booking engine that was rewritten from scratch to increase flexibility and add new features. The booking engine aims to increase conversion rates on direct sales channels by allowing for flexible pricing, cross-selling of additional products, and integration with campsite websites. It provides real-time availability of accommodations and allows campsites to set detailed rules for pricing, discounts, and payment policies. The engine is fully responsive for desktop, tablet, and mobile and includes analytics integration and multi-track attribution modeling.