Targeting - collection of leads for consultation at the clinic

The campaign was pushed to attract customers with hearing problems for free consultation in Hungary. They conducted a test period - they tried a lot of audiences, creatives and approaches. Traffic to the site was good and not expensive, but unfortunately there was no conversions.
The screen shows that it was covered by 22 864 users, the site was visited by 374 people, spent 29 380HUF (103 $)