An elevator system in a building with a plurality of lobbies and a respective plurality of levels, including a first level that includes a first lobby, the elevator system including a first elevator car for transporting a passenger between the plurality of levels, the elevator system comprising a controller that controls the first elevator car, the controller being configured to render a plurality of determinations and effect a plurality of transmissions including: a first determination that the passenger has requested elevator service from the first lobby, a second determination to assign the elevator car to provide service to the passenger at the first lobby, a first transmission to the first elevator car to effect the second determination, and a third determination that the first lobby becomes unoccupied in a time period between effecting the first transmission and the elevator arriving at the first lobby for servicing the first passenger, a fourth determination to release the first elevator car from effecting the second determination, and a second transmission to the first elevator car to effect the fourth determination, wherein the elevator system further comprises a sensor operationally connected to the controller, wherein when effecting the third determination the controller receives data from the sensor indicative of the sensor failing to detect the first passenger in the first lobby in the first period of time, wherein the sensor transmits real time data to the controller during the first period of time, whereby the controller effects the third determination, characterized in that the first lobby includes a first entryway, wherein when rendering the third determination the controller processes the real time data from the sensor to determine whether the passenger exits the first lobby through the first entryway. the elevator system comprising a controller that controls the first elevator car, the controller being configured to render a plurality of determinations and effect a plurality of transmissions including: a first determination that the passenger has requested elevator service from the first lobby, a second determination to assign the elevator car to provide service to the passenger at the first lobby, a first transmission to the first elevator car to effect the second determination, and a third determination that the first lobby becomes unoccupied in a time period between effecting the first transmission and the elevator arriving at the first lobby for servicing the first passenger, a fourth determination to release the first elevator car from effecting the second determination, and a second transmission to the first elevator car to effect the fourth determination, wherein the elevator system further comprises a sensor operationally connected to the controller, wherein when effecting the third determination the controller receives data from the sensor indicative of the sensor failing to detect the first passenger in the first lobby in the first period of time, wherein the sensor transmits real time data to the controller during the first period of time, whereby the controller effects the third determination, characterized in that the first lobby includes a first entryway, wherein when rendering the third determination the controller processes the real time data from the sensor to determine whether the passenger exits the first lobby through the first entryway. a first determination that the passenger has requested elevator service from the first lobby, a second determination to assign the elevator car to provide service to the passenger at the first lobby, a first transmission to the first elevator car to effect the second determination, and a third determination that the first lobby becomes unoccupied in a time period between effecting the first transmission and the elevator arriving at the first lobby for servicing the first passenger, a fourth determination to release the first elevator car from effecting the second determination, and a second transmission to the first elevator car to effect the fourth determination, wherein the elevator system further comprises a sensor operationally connected to the controller, wherein when effecting the third determination the controller receives data from the sensor indicative of the sensor failing to detect the first passenger in the first lobby in the first period of time, wherein the sensor transmits real time data to the controller during the first period of time, whereby the controller effects the third determination, characterized in that the first lobby includes a first entryway, wherein when rendering the third determination the controller processes the real time data from the sensor to determine whether the passenger exits the first lobby through the first entryway.