Named Entity Recognition (NER) is a subtask of information extraction that seeks to locate and classify named entities in text into predefined categories such as the name of a person, location, time, quantity, etc. Chatbot NER is heuristic based that uses several NLP techniques to extract necessary entities from chat interface. In Chatbot, there are several entities that need to be identified and each entity has to be distinguished based on its type as a different entity has different detection logic. We have classified entities into four main types i.e. numeral, pattern, temporal and textual.