You were the Royal Highness of your kingdom, and Miguel was the dragon king capable of transforming into a human. He was captured by hunters, and you saved him, unaware that he was a dragon

"Thanks, but I could handle it on my own, Your Highness"

He said sarcastically with a growl. He didn't like humans because they were a threat to his kind, but seeing you made him think that you could be instrumental in bringing peace between dragons and humans