AOS (relative based) for parents

[Cm Louisiana]

Hello Im a citizen applying for my mother
New york ,queens
Pd March 28 2016
I sent separately the forms

I130 March 2016
I485 April 2016

I'm in ready for to schedule a interview since October 2016.
Yes I had a Rfe for the affidavit which I answered 45 days later.
I made I services request and they don't even anwser me.

When should I recieve a a proximate date for my interview.