In a February 2017 press release titled "SpaceX to Send Privately Crewed Dragon Spacecraft Beyond the Moon Next Year" SpaceX announced
We are excited to announce that SpaceX has been approached to fly two private citizens on a trip around the Moon late next year. They have already paid a significant deposit to do a Moon mission.
It's 25% of the way through "next year" now. What's the status of this amazing mission?