What should I reply when a girl ends the conversation by saying "Ok" "Lol" "Brb" "Nothing Much"?I am really confused?

monesh
whenever i text a girl it mostly ends up with this only, i get confused and i get stuck up over there.
what should i do to continue the chat? please help me
Updates
+1 y
Ok but
she seems to flirt with me!!
What should I reply when a girl ends the conversation by saying "Ok" "Lol" "Brb" "Nothing Much"?I am really confused?
9 Opinion