In the 1980s, the television program Knight Rider gave a glimpse into a world where artificial intelligence could learn, communicate, and make independent decisions. The star of the show, a self-aware computer, was housed in a 1982 Pontiac Trans Am, and it intrigued viewers. They imagined how the technology could change lives, handling dull or dangerous tasks with a simple spoken command. At the time, such software sounded like a creation of science fiction. Now, less than four decades later, artificial intelligence and machine learning technology are our reality, communicating with users through natural language interfaces.