A method of assigning a destination floor to an elevator call associated with a mobile device is provided. The method including: receiving a first elevator call to travel from a first floor, the first floor is a boarding floor for the first elevator call; detecting a location of a mobile device relative to an elevator car of an elevator system; moving the elevator car from the first floor to a second floor in response to the first elevator call; determining when the mobile device exits the elevator car at the second floor in response to the location of the mobile device, the second floor is a destination floor for the first elevator call; receiving a second elevator call from the mobile device; and establishing the second floor as a destination floor for the second elevator call.