rasa 自然语言处理教程 1.rasa nlu rasa自然语言理解的例子 2.rasa core 会话机制 here is 2 interactions with the user — 2 slots to fill. - user: “I want Pizza” ; #missing slots: [size, toppings, etc.] - bot: “what size?” - user: “large” - bot: “Which toppings would you like?” - user: “Olives”