Microsoft Copilot Studio

Multilingual RAG Assistant

AI-powered bilingual chatbot with enterprise knowledge retrieval

Client / Partner

AI Automation Agency, Spain

Duration

6 weeks

Client Rating

⭐ 5.0/5.0

The Challenge

A Spanish automation agency needed a bilingual (English/Spanish) AI assistant that could answer complex technical questions from their internal SharePoint knowledge base and external documentation — without hallucinations.

Our Solution

Built a Copilot Studio agent with custom topic flows and language detection routing
Integrated Azure AI Search with hybrid vector + keyword retrieval for accurate document grounding
Connected SharePoint as a live knowledge source via Power Automate custom connectors
Implemented GPT-4 embeddings for semantic search and GPT-4 completion for response generation
Added external REST API integrations for real-time data from third-party systems

Solution Architecture

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Results & Impact

Production-ready bilingual AI assistant deployed in 6 weeks

Zero hallucination incidents after RAG grounding implementation

5.0/5.0 client rating — praised for communication and technical depth

Scalable architecture supporting additional languages and knowledge sources

Technology Stack

Microsoft Copilot StudioAzure AI SearchAzure OpenAI (GPT-4)SharePoint OnlinePower AutomateDataverse

“The work that [the West AI team] has done for us on this AI agent has been outstanding. [They combine] deep technical expertise with an ability to explain complex setups in a clear manner. Delivered on time and on budget, solved problems creatively, and went above and beyond.”

Luis

AI Automation Agency, Spain

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