This is more of the set-up of an idea than a fully-fledged logline. In order to make it more well-rounded, you need to convey what the conflict is in the story. Without conflict, there is no drama. So what's getting in their way of finding true love? And also you need to communicate the stakes. At the moment, the situation isn't particularly original - at least from reading the logline. The story could do with a distinct USP and then that conveyed in the logline.

Also: watch the typos ("to to get married"), the correct layout of proper nouns (it's Paris, not paris) and lose the redundant bracketed information.

If you'd like some further help with creating a solid logline, do get in touch.