Google's UCP changes the agentic commerce conversation. Here's how it could book travel.

A follow-up to “Why your AI travel agent can dream up the perfect trip but can’t book it” I published that article on December 29th. Two weeks later, back at my desk with inbox overflowing, I find that Google has launched the Universal Commerce Protocol, co-developed with Shopify, Walmart, Target, Etsy, and Wayfair, and endorsed by twenty-plus others including Visa, Mastercard, and Stripe (apparently I wasn’t the only one busy during the holidays). Their roadmap explicitly mentions “Travel, Services” as upcoming verticals. ...

January 13, 2026 · 5 min · Michele (Mik) Ruberl

Why your AI travel agent can dream up the perfect trip but can't book it

And how the infrastructure we’ve been building for 2.5 years might finally make it possible It’s December 2025, and AI agents are everywhere. ChatGPT plans your honeymoon to the Maldives. Claude designs a three-week backpacking itinerary through Japan. Perplexity finds you that off-the-beaten-path trattoria in Bologna. Then comes the moment of truth: “Book it.” And the magic collapses. Your agent stutters. It can’t actually check if that boutique ryokan has availability. It hallucinates a confirmation number. It sends you to Booking.com, which means starting the search all over again. Or worse: a Spanish influencer couple recently missed a flight because ChatGPT incorrectly advised them they didn’t need a visa for Puerto Rico, without mentioning the ESTA. The AI was confidently, dangerously wrong. ...

December 29, 2025 · 11 min · Michele (Mik) Ruberl