A non-transitory computer-readable medium includes instructions that when executed by a processor cause the processor to perform a method for selecting available assignments, the method including: receiving an indication of an external assignment, wherein the external assignment is associated with one or more locations external to a plurality of retail stores; based on the indication of the external assignment, selecting a retail store among the plurality of retail stores; based on the selected retail store, selecting at least one available assignment in the selected retail store; and offering the selected at least one available assignment in the selected retail store to a user.