The same way we currently train any personalization engine using a "maximize revenue" setup – but allow the revenue to be reduced by negative events (even to below zero).Cancel flows only have one reliably measurable metric for training – and it's the thing we don't want them to do. I can't train it to go with "not" canceling because a large portion of those events are non-actions (i.e. "did not cancel"). There are some buttons that are alternatives to canceling – but what if they come back afte...