Verb conjugation of "expresar" in Spanish

My first stop was great. I went there by myself not knowing anyone. I hired a room for two nights and walked around the city. After I had moved to my second stop for another two days something strange happened.
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.
Fortunately the bay we anchored was very calm and the ship did not move at all, or at least one could not feel it. We prepared for dinner and went to the deck, where everybody else was sitting.