The 25-year-old Wales forward missed several opportunities as Juve set up a final against Barcelona.
"There have been some ups and downs but I think I've played well," he said.
Gareth Bale says he will return stronger for Real Madrid after receiving criticism from his own fans during their semi-final.
Bale is the most expensive after being signed in a £85.3m deal from Premier League side Tottenham in September 2013.
The ex-Southampton trainee scored 24 goals in 46 games during his debut season, helping Madrid win the match and Copa del Rey.
But he has been jeered by some supporters this season, faced heavy criticism from sections of the Spanish press and was whistled by some fans during Real's 1-1 second leg draw with Italian champions Juventus, which saw Juve progress 3-2 on aggregate.
He come again with a great energy.
