Translation of ulcerous in Spanish

The guy at the reception was pretty friendly and gave me keys of the hotel's suites. The first suite was again without windows. I returned and asked for the same with windows. He gave me other keys.
Do you want learn Spanish? Do you have a telephone? I am looking forward to hearing from you and sorry again, I was extremely busy during the last three weeks. I hope you can forgive me.
We spent a few hours around Plaza de Armas, the main square of the town, eating, shopping and sightseeing. A hassling boy tried to sell us some Peruvian chocolate for one Peso.