Hey Eusebiu!
This is possible with a bit of code customization.
There are in fact several ways to go about doing this, but I came up with a simple one that you can just drop into your theme’s functions.php file.
Though my solution is admittedly not very pretty or elegant, it works really well for me – check out the code here → https://gist.github.com/momnt/90af014ea54e213fd69c.
That made my default ticket values look like this on page load → https://cloudup.com/cCkzv0u1rJ2
Try it out, and let us know if it helps! 🙂
Cheers,
George