The quote from the movie posted here by Zepfanman back in 2013 is correct (why wasn't this corrected before now?).
Barbara Stanwyck as "Phyllis" and Jean Heather as "Lola" are both named and most definitely speak to each other about something other than a man:
Lola: Phyllis, do you mind if we don't finish this game? It bores me stiff.
Phyllis: Got something better to do?
Lola: Yes, I have.
...
Phyllis: Now you're not going to take my car again.
Lola: No thanks. I'd rather be dead.
The entire screenplay can be found at the following site (once there, just do a quick search for one of the quotes):
sfy.ru/?script=double_indemnity_1944
This one is a pass. 3 of 3.
Phyllis: Got something better to do?
L: Yes, I have. [Towards Mr. D.:] Father, is it alright if I run along now?
Mr. D.: Run along where? Who with?
L: Just Anne. We're going rollerskating.
D: Anne Who?
L: Anne Matthews.
P: It's not that Nino Zachetti again, is it?
D: Better not be...