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Travel advisor agent using Google Adk

Published
2 min read
Travel advisor agent using Google Adk
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Highly skilled Data Test Automation professional with over 10 years of experience in data quality assurance and software testing. Proven ability to design, execute, and automate testing across the entire SDLC (Software Development Life Cycle) utilizing Agile and Waterfall methodologies. Expertise in End-to-End DWBI project testing and experience working in GCP, AWS, and Azure cloud environments. Proficient in SQL and Python scripting for data test automation.

Travel Advisor Agent powered by Google ADK and Gemini, capable of answering travel questions and acting like a personal AI travel consultant.

What is Google ADK (Agent Developer Kit)?

Google ADK is a framework designed to help developers build autonomous, tool‑using AI agents. It provides:

  • Agent lifecycle management

  • Tool integration (APIs, functions, external services)

  • Memory & context handling

  • Seamless integration with Gemini models

In short, ADK gives you the scaffolding to build intelligent agents without reinventing the wheel.

The Architecture: How the Travel Advisor Works

The goal of this project was to create an agent that doesn't just "chat" about travel but actually performs tasks. The core architecture consists of:

  1. The Brain (Gemini 2.0 Flash lite): Processes user intent and decides which tools to call.

  2. The Framework (Google ADK): Orchestrates the communication between the model and the environment.

  3. The Tools: Custom Python functions that the agent can execute to fetch the required information.

Project Structure

Github repository contains the following key files:

FilePurpose
agent.pyCore logic for the travel advisor agent
__init__.pyPackage initialization
.envEnvironment variables (API keys, etc.)

The heart of the project is agent.py, where the agent is defined and configured.

How the Travel Advisor Agent Works

At a high level, the agent:

  1. Loads the Gemini model

  2. Accepts user travel queries

  3. Uses ADK to manage conversation context

  4. Generates travel recommendations or answers

  5. Returns structured, helpful responses

Here’s a conceptual flow:

User Query → ADK Agent → Gemini Model → Travel Recommendation → Response

Execution Output

GitHub Repo

https://github.com/puthanvipin/travel-advisor-agent-using-google-adk