Back in the mid-60s, with text-based user interfaces, chatbots and conversational interfaces became areas of research for better customer service. Now with the advent of conversational interfaces, chatbots and virtual assistants have become an essential part of CRM operations. That being said, chatbots have become increasingly popular because of their ability to handle users' queries effectively. Their main benefit is that they enable businesses to improve their customer support services without affecting the user experience. STUDENT, an example of the early conversational interfaces was developed in 1964, eight years after John McCarthy coined the term Artificial Intelligence.