Raphael Kaufman, the customs and attitudes of non-Jewish America do not override the gidrei Tznius. Millions of women work in offices, and nothing happens? We know what’s going on by those asher einam-me’Bnei(Bnos) Yisroel heim!
Therealmgama, on the other hand, there is no issur of calling a woman by her first name, and that reaction was extreme.