AI-Powered HR & IT Helpdesk Chatbot with Audio Transcription
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Automate your HR and IT support with an AI-powered helpdesk chatbot capable of understanding both text and audio inquiries via Telegram. This solution builds a dynamic knowledge base from your internal policy documents, providing instant, accurate answers to employee questions. Streamline operations and enhance self-service.
About This Workflow
This n8n workflow creates an AI-powered HR & IT Helpdesk chatbot, complete with audio transcription, accessible via Telegram. It starts by securely downloading internal policy documents (e.g., PDFs) and extracting their text content. This data is then transformed into numerical vector embeddings using OpenAI and stored in a PostgreSQL vector store, forming a dynamic, queryable knowledge base. When an employee sends a message through Telegram, the workflow intelligently determines if it's text or audio. Audio messages are automatically transcribed. The chatbot then queries the vector store, leveraging Retrieval Augmented Generation (RAG) to provide accurate, context-aware answers based on your company's official policies, significantly streamlining internal support and employee self-service.
Key Features
- AI-Powered HR & IT Helpdesk: Provide instant, accurate answers to common employee questions leveraging internal policy documents.
- Audio Transcription: Automatically transcribe voice messages from users (e.g., via Telegram) for seamless interaction.
- Dynamic Knowledge Base: Ingest and process internal policy PDFs to create a searchable, intelligent vector store using PostgreSQL and OpenAI embeddings.
- Telegram Integration: Connect directly with employees on a widely used messaging platform for easy access to support.
- Retrieval Augmented Generation (RAG): Ensure responses are grounded in your company's official documentation, reducing hallucination and increasing reliability.
How To Use
- Ingest Internal Policy Documents:
- In the
HTTP Requestnode, update theURLparameter to link directly to your company's internal policy PDF files (e.g., employee handbooks, IT guides). TheExtract from Filenode will then automatically process this content.
- In the
- Build Your Vector Knowledge Base:
- Configure the
Postgres accountcredentials for theCreate HR Policies(PGVector) node to establish a connection with your PostgreSQL database. - Set up your
OpenAi accountcredentials in theEmbeddings OpenAInode to enable the generation of text embeddings. - The
Default Data LoaderandRecursive Character Text Splitternodes are pre-configured to prepare your document chunks for efficient storage.
- Configure the
- Integrate with Telegram:
- Provide your
Telegram accountcredentials in theTelegram Triggernode to enable receiving incoming employee messages. - The
Verify Message Typenode automatically categorizes incoming messages as either "Text" or "Audio" for subsequent processing.
- Provide your
- Extend Chatbot Logic (Implied):
- After the
Verify Message Typenode, connect the "Audio" output to an OpenAI Whisper node (not fully visible in the snippet but implied by the title) for transcription. - Link both the "Text" output and the transcribed audio to your RAG-enabled LLM chain (e.g., another OpenAI node or a custom LLM chain) to query the PostgreSQL vector store and generate relevant responses.
- After the
Apps Used
Workflow JSON
{
"id": "0853f669-4d82-418f-ab3b-e541684a04f7",
"name": "AI-Powered HR & IT Helpdesk Chatbot with Audio Transcription",
"nodes": 17,
"category": "Operations",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: 0853f669-4d82...
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