Question Summary:
Can we speak with muslim girls who are non relatives?

Question Detail:

Can we speak with muslim girls who are non relatives?

Answer :

In the name of Allah, Most Gracious, Most Merciful
Assalaamu `alaykum waRahmatullahi Wabarakatuh
It is not permissible to speak to Ghair Mahram (with whom marriage is permissible) females even if they are relatives. It is compulsory to observe the laws of hijab with all ghair mahrams.
And Allah knows best
Wassalam
Mufti Ebrahim Desai
Darul Iftaa, Madrassah In'aamiyyah