I'm not usually a floral scent person, but women in India wear jasmine flowers in their hair and the smell is sweet and tropical. A little essential oil goes a long way and is a nice single note change from fancier perfumes.
Clinique Happy is fresh and clean with lots of citrus notes - perfect for your daily "I have to run errands and want to be upbeat while doing so" moods.
j'adore was the first perfume I bought for myself. I got it in Paris, and the fragrance reminds of the city every time I wear it. Sophisticated, rich and floral but not in a cloying/grandma way and VERY womanly.