A conversational interface is a user interface that mimics having a conversation with a human. There are two types: chatbots, and voice user interfaces (or voice assistants).Chatbots, also called chatterbots, is a form of artificial intelligence (AI) used in messaging apps. This tool helps add convenience for customers—they are automated programs that interact with customers like a human would and cost little to nothing to engage with.Chatbots are intelligent enough to sense the context of the conversation and execute the right bot flow. However, chatbots cannot find answers or perform a set of activities on their own. On the other hand, a virtual assistant can crawl through existing resources and offer.Another famous chatbot example is 1800Flowers. The flower-delivery company has created a Facebook messenger chatbot. ... Users can order flowers and have them delivered in a breeze. They can also quickly engage with a human from the customer support if they need to.