Hanoi, April 23 -- Vietnam's railway sector on April 22 introduced an AI-powered "flexible pricing" feature on its e-ticketing system, offering discounts of up to 35% for short-distance passengers. Unlike conventional promotions, the new pricing model is dynamically adjusted based on real-time ticket sales for each seat or berth on a train. Under the system, when a seat or sleeping berth has already been booked for a long-distance journey which covers over 70% of the route, the remaining short segments are automatically identified by AI and offered at significantly reduced prices. These discounted seats are highlighted in light blue on the booking platform, along with the exact amount of savings, making it easier for passengers to identif...