Verb conjugation of "fließen" in German

A little latter we came back to our home and Leonard offered me to take me around the city with his motorbike. I could not refuse although I am a little scared by these vehicles, as they are dangerous.
I was a little confused because I recognized the voice and I had booked at Luisa's guest house. She explained me that she was sharing the phone with her neighbor and her neighbor was not honest.
On the second day we visited the Perito Moreno glacier by foot. It is one of the most beautiful glacier in South America and certainly the most visited, as it can be reached easily by car.