*Australian Dollar Slips To 0.6443 Against U.S. Dollar

*France Apr Final Services PMI 47.3 Vs. 47.9 In Mar, Flash 46.8

*Australian Dollar Edges Down To 1.7569 Against Euro

*Australian Dollar Ticks Down To 0.8909 Against Canadian Dollar

*Australian Dollar Drops To 5-day Low Of 92.50 Against Yen