Translation of agency in Spanish

Thanks for the advice but I know this web site. I'm always open to suggestions. Tell me how can I help you with the correct form of words. This is very important owing to the feedback.
Sammy our cab driver brought us to the hotel, he promised to pick us up a few hours later. We took a shower and rested a little. I could not sleep because I was too excited of being in a new country.
Many thanks for your letter. I am delighted to tell you that I have passed my exams and am looking forward to the next year. Meanwhile I am planning a trip to Costa Rica and some places around there.