This project came before our current offers. Here's how we'd approach the same work now.
With the data already live, an AI agent could answer dealer and buyer questions directly, on Amazon Connect or in chat, signed as a Guaranteed AI Outcome against a number the business tracks, such as status calls handled without a person, with go or stop at week 4 and payment on the result after it. Under AK AI Factory's Control job, acting for a dealer, it would get that dealer's rights and no more, through Cedar policies checked outside the model on every call, and each tool, a VIN lookup or an ETA, would carry its own permission.
Predicted ETAs would be proved before anyone saw them: a golden set of past shipments with their real arrival times, a sealed set beside it, and a predicted ETA shown only if it beats the current estimate on both.