Travel planning agent with Couchbase vector search, Gemini 2.0 Flash and OpenAI

> Disclaimer: this workflow template uses the n8n-nodes-couchbase community package. Community nodes are unverified and usage of them comes with some risks. See here for instructions on installing n8n community nodes. This template is intended for use by those interested in learning more about Agentic AI workflow development, as well as those interested in learning how to use the Couchbase Search Vector Store node for practical applications. This workflow helps users decide on travel destinations based on descriptions of several points of interest loaded into Couchbase and retrieved using Vector Search. How it Works This template contains two workflows: The Data Ingestion workflow uses th

Help me set up the n8n workflow "Travel planning agent with Couchbase vector search, Gemini 2.0 Flash and OpenAI" (https://n8n.io/workflows/3881). It uses: AI Agent, Embeddings OpenAI, Simple Memory, Recursive Character Text Splitter, Default Data Loader, Google Gemini Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.