Clothes shopping? Well...what was he going to say? No? She made a valid point about not having enough clothes, and he was not going to decline an opportunity to help her blend in. Besides, maybe he wasn't completely helpless at it?
"Of course, sweetie. Let's go inside, and go shopping."
Of course, he had a bad feeling about this...women shopping, and whatever else his daughter was, she was still a girl, had never boded well for him.