Chatbot for E-commerce - ChatGPT API + LangChain

Client was looking for Looking for someone who could build and deploy a basic chatbot using ChatGPT API and Langchain that would connect to our shopping store database. Ideally, I want to have a basic webpage with a text input where the user can interact with the chat and ask shopping questions as if the chat was a smart shopping assistant. Some examples:• I want to buy a “red shirt” etc.• Where can I buy an Xbox nearby• I’m preparing a birthday party, make me a shopping list• What is the top rated toy The chatbot would then use Langchain to fetch products from our side, and display links and/or images of the items so the user can click and redirect to our website Requirements:- OpenAI API integration, with newly added function calling support wherever necessary- Langchain integration with our database, either via SQL or Elasticsearch- View and use chat history (memory)- Fast and simple queries to OpenAI to not overuse tokens- Create a responsive chat webpage that supports desktop and mobile- Support custom chat responses to redirect to our product pages either via links or images- Use open source libraries for development, no need to code the whole thing from scratch- Dockize the whole application to a docker container using docker file for easy deployment of webpage- Optional: login requirement to chat