Verb conjugation of "regiment" 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.
I have sent you my e-mail address. If you want to write me there, I could view the messages immediately. It would be easier than on the Vocabulix forum, as I'm not online often enough.
I signed up at Vocabulix long time ago and I did not use the account, I even forgot it. But I am always remembering it when I receive newsletters or when I am contacted by other Vocabulix users.