Please help me find a dress for a wedding in September
I am late 40s, 160 cms tall (or 5 foot 2 inches give or take)
About 150 pounds (68 kg)

I'd like something that doesn't cling
I like a dress with a boat neck or 1950 style collar
Half length or three quarter length sleeves
Something at knee or mid calf
I am not at all in the public eye but the bride and groom and their families are very much so
The bride's colors are champagne and blush so obviously those colors are out
Thanks in advance (and if I can order it online that's even better)