Start dancing.

Serve her a drink.

Go watch a sunset together or walk on the beach (it shows you're romantic)

Ask her to tell you the one thing that people would be surprised to learn about her (this should be a goodie).

Ask her about her favorite song, movie,flower, store, and anything that's a favorite. (it shows you're interested)

Conversations aren't just about talking mate. They're about listening and asking good questions. If you don't have enough questions, go look on the internet for Great Date Questions. I'm sure you'll find something of interest.