This is my own suggestion, not Ben's: how about half past eight?

How to say “This is my own suggestion, not Ben's: how about half past eight?” in Japanese

In Japanese

これはベンさんの案(あん)ではなく、私自身(わたしじしん)の提案(ていあん)です。八時半(はちじはん)ではどうでしょうか。

Kore wa Ben-san no an de wa naku, watashi jishin no teian desu. Hachijihan de wa dō deshō ka.

This is my own suggestion, not Ben's: how about half past eight? in other languages