A reservation means nothing to Enterprise. After booking a rental car reservation, making weekend travel plans, and paying for a taxi to/from the rental facility, the service desk says it has no cars and cannot honor my reservation. It ruined my plans to explore outside of Barcelona and cost me money just to show up to the service desk to have them say "sorry no cars, goodbye". What could be better? 1) Don't show inventory if you don't have it (several car options were available) 2) Text/email your reservations if there is a failure like this so customers have the heads up and don't make unnecessary plans and expenses just to show up to be disappointed at the service desk. 3) Offer some sort of reimbursement when money/effort are expended and the company fails with their end of the deal. What did I like? Nothing with this reservation