Verb conjugation of "deposit" 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.
On the frozen lake, you can skate, but I would never dare it because it is far too dangerous. Who knows how thick the ice really is and how accurate the measurements are. It can break.
I am back in Switzerland, and the weather makes me crazy. Shall I write you on Vocabulix or to your regular email address? I have been working 20 years as an employee for a German company.