A non-transitory storage medium having stored thereon instructions, the instructions being executable by one or more processors to perform operations comprising responsive to a trigger, generating a model based on extracted features from a first selection of data from a dataset, testing the predictive appointment model based on a second selection of data from the dataset. Applying the predictive appointment model to the dataset to generate customer preference probabilities. Aggregating a list of available appointments. Predicting and proactively contacting customers most likely to accept one or more available appointments based on the customer preference probabilities.