[good sense in this crisis would probably dictate showing more discretion on sharing information - what little she has - with strangers, even helpful ones. but this lady is so disarmingly kind in both demeanor and appearance (the floral patterns are especially convincing).

so, a touch sheepishly:] I...don't wholly know for sure. I just figured...maybe I'd be reminded about something important if I looked around? [her eyes wince with her smile.] It feels like there's something I should have right now, but I can't actually recall what or, or where I last left it...

[and her empty hands have started to feel the weight of absence, even though that weight and shape is still unknown to her.]