SABRE is a computer-based reservation system used primarily in the travel and tourism industry. It was developed in the 1960s by American Airlines and IBM to manage flight bookings and schedules. Today, SABRE provides a platform for airlines, hotels, and travel agencies to streamline their operations and improve customer service. The SABRE system offers various tools for travel professionals, including fare comparisons, itinerary planning, and real-time availability checks. It connects users to a vast network of travel services, making it easier for them to find and book travel options efficiently.