A device for monitoring one or more passenger seats of a vehicle, the device comprising: at least one sensor configured to monitor an occupancy status for each of the one or more seats; and a communication interface configured to receive reservation conditions for each of the one or more seats; wherein the device is configured to: display an occupancy condition for each of the one or more seats and a reservation condition for each of the one or more seats; and determine the occupancy condition for each of the one or more seats based on the occupancy status for each of the one or more seats over a predefined time period.