A method and system of conducting a mobile transaction with a kiosk management system operating a plurality of kiosks for requested items is provided. A consumer may possess a portable device configured to communicate with the kiosk management system such that the kiosk management system may provide requested items to a selected kiosk from the plurality of kiosks. The portable device may operate a mobile application to display a list of available kiosks providing the requested items for the consumer to select a kiosk to reserve the requested items at. The consumer may then use the portable device to interact with the selected kiosk to retrieve the requested items reserved at the selected kiosk.