Translation of careless in German

I entered yet another suite. This one had a living room, a kitchen, two bathrooms and a huge sleeping room. The view was excellent, overlooking one of Saigon's largest and most impressive boulevards.
The next morning we felt much better, but we decided to stay in bed the entire morning to fully recover. We watched some Seinfeld episodes which were running every morning at around 10a.m.
There was an extra seat available (the last one apparently). We were so glad. 45 minutes later we sat in the place, eighty percent of the plane was empty. They really need to update their system.