Uber CEO Dara Khosrowshahi said the app's newest features are all focused on saving users time. Bloomberg/Getty Images Uber is turning its app into a personal assistant with several new features. Users can now book hotels and ask for a specific drink or snack during their Uber ride. The features take Uber closer to "super app" status. Uber's newest features make the app feel less like a ride-hailing service and more like a personal assistant. The tech company unveiled several new tools on W...