Translation of nonchalance in German

So we decided to move on. We were looking to get the next flight to Hoi Ann, which is located right in the center of the country, but we were told that there had been floods a week earlier.
We drove to the next spot exactly at noon. We were told that this spot would not be crowded at all during the lunch hour and we were not surprised to find it completely empty without anyone else.
Originally we planned to stay in Santiago for one day but due to her illness we prolonged our stay for two days. I walked around the city by myself, always staying close to the hotel.