Um, yeah, that is how it goes. The only difference you wrote was having a, "Hah!" in place of "No." I've always heard it as, "No," and the captions and subtitles for every set I've had have translated it as that. But is one word really that worthy of nit-picking? Anyway...

Ben: So was I, if you'll remember.
Yoda: He is too old. Yes. Too old to begin the training.
Luke: But I've learned so much.
Yoda: Will he finish what he begins?
Luke: I won't fail you. I'm not afraid.
Yoda: You will be. You will be.