The web-based chatbots are now part of almost any interaction we have online. They help users with a range of tasks as virtual assistants from answering questions to making reservations. However the success of a chatbot is largely dependent on its UI design. An effective chatbot UI can increase user engagement and satisfaction. the best chatbot UIs come from a process of getting to know your users deeply, prototyping and conversation as well as the above features. These 11 tips will ensure that you end up with a bot which care well for its users and produces a good impression. Remember UI design is iterative, so leave room for feedback, and adjust accordingly to further enhance your chatbot’s interface over time.