I have 2 female cousins that I am pretty close with (but not close enough to be in my bridal party) that I wanted to have as female ushers (i'd call them hostesses). What duties would they have? for example I wouldn't want them to "escort" people in, just lead them to their seat perhaps? I would have them wear the same style dress as my bridesmaids only in black. Any suggestions or advice would be greatly appreciated!!