The Response to the Psalm is "Here I am, Lord; I come to do your will."
The reference in our missals identifies those words as coming from Psalm Eight and Nine. Oddly, though, I could nor find those exact words in eiither Psalm Eight or Nine. That leaves me to attribute them to me and you.
Father Tom, on entering our chapel, says "Here am I, Lord; I come to do your will."
Kevin and Suzanne, on coming into our chapel each say, "Here i am, Lord, I come to do your will.
Gary and Carol; as the first ones into our chapel, each says. "Here I am. Lord; I come to do your will."
Eileen, her heart filled with her loved ones, says, "Here I am, Lord: I come to do your will."
Dinh, and then Liz, with prayers for their scattered love ones, come in here, saying, "Here I am, Lord; I come to do your will."