At approximately 0745 hours this morning, Ulster Hose was dispatched for a automatic alarm of fire at the Courtyard by Marriott. While enroute, units received a second call for an additional alarm at the location. The first arriving engine found a heavy smoke condition in 3 rooms on the first floor due to a dryer fire. Units extinguished the fire containing it to the dryer and the vent and performed ventilation on the 1st and 2nd floor. Units were back inservice within an hour.