A method for executing an order with a plurality of items assigned to a first robot of a plurality of robots operating in a warehouse with the assistance of a plurality of operators. The method includes navigating the first robot to a first location in the warehouse proximate a location of a first item in the order and pausing for an operator of to assist the first robot to execute a function. The method includes determining if the first robot has been paused for greater than a maximum dwell time without being assisted by an operator. If it has been, the method causes the first robot to leave the first location without completing the function on the first item and causing the first robot to proceed to a second location proximate a storage a second item to execute a function.