He knows, just from the look she gives him, that she knows something unnatural might have happened during her rescue. But as long as she doesn't ask questions, Kanan is not going to touch the subject. Better play ignorant than being hunted again, and having to fight another Inquisitor.

Standing up, he dusts himself off a bit before offering his hand to help the young woman up.

"Walking stick, right," he says as he looks around, searching for the cane. He finds it among the rubble, having miraculously survived the fallen wall. Walking over, he picks it up and brings it back to her:

"Do you need help getting out?" They are surrounded by mounts of bricks with no easy way out and Kanan is certainly not going to let her struggle with getting to a safer place.