Verb conjugation of "dine" in English

About the meeting dates: Can I propose something between August 24 and September 26 (in around 10 weeks)? Should I book 2 or 3 full days in the hotel. Gabriella will have enough experience by then.
Anyway, there are a lot of people on board and I no matter how high the waves may be, I always suffer from nausea or seasickness. I have not been on a small boat before. I will have to vomit.
Which region in Germany are you from? I live in Aarau in the state of Argau, that is in the middle of Switzerland not far from Zurich, Lake Zurich and near the border city of Basel.