Hotel Room Booking Drag and drop hotel room reservation calendar. Bellebnb Visualy, drag-and-drop calendar All of your Rooms and Reservations. PMS Bellebnb is a hotel management platform that includes a PMS, Channel Manager, Booking Engine, Concierge Service, and Payment Processor. Our platform will help you sell more rooms and improve revenue per booking by helping you upsell products and services, and encourage guests to return and book with you directly.