Her blushing and giggling cause him to smile even wider. That's usually the reaction he's hoping for... nevermind the fact it's probably the puppy causing her to do it.

Louis Rivers, at your service, Miss Opal! Most people 'round here usually just call me Lou or Missouri though.
Umm... kinda hard to believe I haven't run into a such a nice gal like yourself before now... Especially since he usually makes it a point to talk to ALL the girls he sees. Have ya been here long?