That's okay, she can wait, because obviously you just don't instantly know what you want out of the selection.

...Though if it takes more than a moment or two, she wonders if maybe you don't know what some things are, being so young? So she places the pad down for a moment before zooming over to a white box and opening it up, producing several bottles of assorted liquids.

That's fresh water, soda pop, and lemonade covered, at least.