I need a lil help picking a romantic slow song?

OK! So Im sending a girl that I like on a scavenger hunt through town. Every place she goes she will be given a gift and another clue, LONG STORY SHORT, She will end up at a romantic place with me where we can see the stars and I want to have a slow dance with her. So I need help on picking a song. Can you help me out? I need titles and artists!