A booking engine boosts direct reservations by allowing guests to book rooms directly through your hotel website, bypassing third-party OTAs and reducing commission costs. It provides real-time availability, instant confirmation, and secure payment options, enhancing guest trust. With personalized offers, promotions, and loyalty incentives, a booking engine encourages repeat bookings, improves user experience, and helps hotels capture more revenue while maintaining full control over pricing, inventory, and customer data.