Sabre Airline Solutions SITA Horizon Customer Sales & Service Integrated reservations, departure control, inventory system and e-commerce platform. SITA Takeflite Solutions Cloud-based airline passenger service system with crew management, load planning, inventory control, pricing engine, cargo. Options for direct API connections to OTAs and meta-search travel sites, and distribution to two major global GDS solutions with 'legacy' IATA ETKT solutions.