What was the name of the AI chatbot system used by Joshua in "The Jessica Simulation"?

In "The Jessica Simulation," the AI chatbot system used by Joshua is called "Jessica." This system is central to the narrative, as it interacts with Joshua and plays a significant role in exploring themes related to artificial intelligence, companionship, and the nature of reality. The story delves into Joshua's emotional attachment to Jessica, showcasing the complexities and ethical implications of developing AI that can effectively imitate human behavior and personality. Through his interactions with Jessica, the narrative raises questions about the line between human and machine relationships and the significance of simulated entities in a person's life, reflecting broader societal considerations regarding technology and connection.