Travel Planning Agent with Couchbase Vector Search, Gemini 2.0 Flash, and OpenAI

This workflow is an intelligent travel planning assistant that combines large language models and vector search technology to quickly provide personalized travel recommendations to users. Users can interact with the AI agent through chat to obtain precise travel suggestions based on points of interest data. The workflow supports batch data insertion and efficient retrieval, addressing the issues of information fragmentation and low query efficiency commonly found in traditional travel planning. It is suitable for travel service platforms, travel agencies, and related application scenarios.

Workflow Diagram
Travel Planning Agent with Couchbase Vector Search, Gemini 2.0 Flash, and OpenAI Workflow diagram

Workflow Name

Travel Planning Agent with Couchbase Vector Search, Gemini 2.0 Flash, and OpenAI

Key Features and Highlights

This workflow integrates Google Gemini 2.0 Flash large language model, OpenAI’s text embedding technology, and Couchbase’s vector search capabilities to create an intelligent travel planning assistant. Users can interact with the AI agent via chat messages to quickly receive personalized travel recommendations and advice based on stored points of interest (POI) data. The workflow supports batch insertion and vectorized storage of data points, enhancing the accuracy and efficiency of information retrieval.

Core Problems Addressed

Traditional travel planning information is fragmented and inefficient to query, making it difficult to quickly match suitable tourist attractions based on user needs. This workflow leverages vector search technology and powerful language models to enable semantic-based precise queries, effectively solving issues related to information silos and inaccurate retrieval.

Application Scenarios

  • Travel service platforms providing intelligent itinerary planning suggestions to users
  • Travel agencies assisting planners in quickly filtering and recommending attractions
  • Tourism content management systems enabling intelligent Q&A and content retrieval
  • Any application scenario requiring intelligent recommendations based on points of interest data

Main Process Steps

  1. Users send structured data containing travel points of interest (e.g., attraction names, descriptions) via Webhook
  2. The workflow uses OpenAI embedding nodes to generate vector representations
  3. Vector data is inserted into a specified Couchbase bucket and collection, with vector indexes created
  4. Users trigger the LLM agent through chat messages; the agent calls Couchbase vector search tools to retrieve matching POI information
  5. Based on retrieval results and context, the Google Gemini model generates personalized travel planning responses
  6. Accurate and valuable travel advice is returned to the user

Systems or Services Involved

  • Google Gemini 2.0 Flash (large language model)
  • OpenAI Embeddings (text vector generation)
  • Couchbase Capella / Couchbase Server (vector database and search)
  • n8n Webhook (data input interface)
  • n8n LangChain nodes (AI agent and multi-step workflow management)

Target Users and Value

  • Travel industry professionals: Quickly build intelligent travel recommendation systems to enhance service experience
  • Developers and data engineers: Utilize advanced vector search and large model technologies to implement complex information retrieval and generation tasks
  • Enterprise product managers: Develop differentiated intelligent customer service and recommendation features to improve user engagement and satisfaction
  • End users: Obtain personalized and efficient travel planning support through natural language conversations, saving time and effort

This workflow provides a comprehensive technical solution for intelligent travel planning by combining cutting-edge AI models with high-performance databases, demonstrating the powerful capabilities of the n8n platform in building intelligent applications.

Travel Planning Agent with Couchbase Vector Search, Gemini 2.0 Flash, and OpenAI