Translation of airmail in German

I was one time in Oxford. I'm studying social work in Austria. I'm living near Salzburg. It's in the middle of Austria. What are you doing in Oxford? Studying, teaching or working? Please stay in touch with me.
In addition I felt were uncomfortable with a ten year old girl rowing our boat while we were sitting like stupid tourists there. I offered to row myself and took the girl's rudder. She was happy.
We asked for the price and were surprised to hear it: A hundred dollars a night. We were actually happy to hear the high price because we knew that if we would not find anything else there was still a good place to stay in.