Verb conjugation of "perfect" in English

I hope you you had a successful week in Dortmund. Because of the bad weather at the last moment I could not get on my flight to Dusseldorf and I have stayed home. I was afraid to fly.
I have three children, Michelle, Cathy and Joe. Unfortunately, my parents do not live in the area. I am glad that they visit every 2 weeks, although they are already over 70 years old.
I attended a Spanish course in Malaga, but I need more practice and speak more often (and write of course). Here in Germany it is a bit difficult to learn Spanish because we do not have the chance to practice.