A Woman Hugs Her Husband Whom She Just Stabbed To Death

She says to the other lady, "he set me up, he wanted to kill me and I reversed it on him".
I can't understand what he says but it sounds like he's denying it. Then she says to him, "tell her the truth".
He asks for help then says, "she wants to kill me", to which they reply, "no, no one is going to die"
Then he asks for a taxi and they tell him an ambulance is coming. The rest is hard to understand except one lady said the couple had a room in the hotel