Verb conjugation of "confirm" in English

Mr. Kohler, Ms. Johansen, in June I will be in Darmstadt for several days and would like to meet you both. Are you in the week of June 16 to June 20 in Germany? I think I also bring gifts.
How is the weather in Hamburg? We have 15 degrees and some sunshine here in the south. I have some remarks on your mail. If you write again and if you wish, I can correct your spelling mistakes.
My name is Michael. I am from Budapest in Hungaria. I speak Hungarian, of course and English. Maybe I could help you with something. I would also like to learn Spanish. Would you mind teaching me?