Need advice on creating a chatbot using ML and NLP

So i’m a college student and i’m working on this idea where i would like to built a chatbot that would take medicine or drug name from users and give output about various info regarding that medicine or drug. i have gathered the required data but i have no idea how should i approach to build a chatbot. i have scoured the internet but there is no proper information on what and how should i do. I need your guys help to figure it out.