Verb conjugation of "faulenzen" in German

I congratulate you on your move to become a private Spanish teacher. People need to believe in you and the most important thing is that you need to believe in yourself. It won't be easy at the beginning.
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.
We told the cabdriver the streetname we would like to go and he brought us there. This time the place did look like a three star hotel and we booked a night. I went to pay for the taxi ride.