Translation of foreigner in Spanish

We drove to the airport to do early check-in but it went so quickly that we had four hours left before our flight departed. We therefore took a cab back into town and visited the local market.
Yes I do live in the United States of America. Thanks for contacting me! I am okay with my Spanish, but when creating sentences I'm terrible at using the right form of the la, el, un y una.
Than we took a cab to the actual border crossing. In the cab we took gave a ride to another tourist and with some scary Peruvian guy, who had a bag full of faked CDs. He didn't seem too nice and had many scarves.