French is one of the most romantic languages there is. It is a pleasant way to interact. You need to learn French, especially if you are visiting that part of the country. It is always a good idea to learn the basic way of greeting in some common languages. In French, you say hello by saying bonjour.
This starts of the conversation. Of course, English is a universal language in most parts of the world, but you need to understand certain ways, especially if you are visiting a foreign country. You can also learn some common ways to greet and ask about the other person as well.