I'm thinking about reserving the "Viewliner Roomette.
The Viewliner Roomette is designed for one or two passengers, with comfortable reclining seats on either side of a sweeping picture window. At night, the seats convert to a bed, and an upper berth with its own picture window folds out from the upper wall.
Two berths (upper and lower)
Two reclining seats which convert to a bed; upper berth which folds down from wall