So maybe the solution would be to build a decentralized aggregator, where the aggregator send query and user data to each hotel, hotels adds more data, and uses

So maybe the solution would be to build a decentralized aggregator, where the aggregator send query and user data to each hotel, hotels adds more data, and uses it to send detailed, customized offers. Aggregator assembles page. And since the job of the aggregator is simple, more competition ?