Ever been put off from booking a vacation by the cost? Everyone has a dream destination, but finding reasonably priced transport can prove impossible without spending hours trawling through search engines and budget flight websites. Luckily, the new Lufthansa Facebook bot aims to make life easier for jetsetters the world over. The bot, which goes by the name of Mildred, is designed to help users find and book cheap flights without ever leaving their iPhone. The bot is bilingu