Be careful about leaving your phone number (or even email) when making a restaurant reservation or even leaving your phone number to get a text back for a walk-in table request. I left my phone number to get notified when my table at Bellagio’s Petrossian Bar was ready. It later showed up in my MLife “itinerary” on the app. I imagine CET is a similar risk. Does it trigger a gaming day for sure? Who knows, but not worth risking.