Chatbot IA + app Android gpt 3 enriched and taught by us. I need a stable template structure

Here in Brazil and Latam, we are specialists in the implementation of the CRM BITRIX VOIP GOTO and a solution that manages chat. We have 200 B2B customers and we have 2 demands to develop chatbot AI where the open in the first moment will make learning bots AI possible for support technician uploading manuals and rules and in the form of chat and Android app to serve your customers in demands level 1, maybe level 2. I need a professional who has already worked, who has templates, accelerators.