A chatbot is a computer program designed to interact with people. It is capable of simulating seamless conversations with customers and typically exists on channels like Facebook Messenger, Siri and WeChat. Suppose you are designing a chatbot for a call center. Describe the main activities in the analysis and design. Make assumptions where required and draw diagrams to support your answer.

give compltete answer with examples.

this question is from my software engineering level 1 course.basically it need the steps require to establish a chatbot program.the flow n direction of code behind the chat software. what,how is any chat software working like... the software working behind messenger,siri or any user interaction program.require the best computer langage that suits chat software most. need the working,methodology,idea,steps,code,language behind the chatbot programs. and give small code example of a chat program.