Four bilingual ‘virtual assitants\' will soon be on hand to help passengers at Dubai International Airport. The state-of-the-art digital signage solutions use the very latest in rear-projected audio visual technology to create the illusion of a real person, conveying helpful security and brand messages. \"The virtual assistants cheerfully greet and engage with the airport\'s passengers in order to provide them with information on the preparations they need to make prior to entering the security screening and immigration areas,\" a statement said. It claimed the use of the four virtual assistants, which have been installed for a three-month trial period, will help to ease the passenger journey by delivering guidance before and as they pass through departure and transfer areas. Article continues below Virtual assistants are among a number of initiatives being introduced at the world\'s fourth-busiest airport in terms of international passenger traffic. In September, Dubai Airports launched a comprehensive service measurement project — the world\'s largest to be undertaken by an airport operator, that will deliver intelligent, real-time information to drive better service delivery for passengers.