Do you think I should go to the dance with him?

Ok his name is Dean.He met me because we were the new kids in my cl and we just started talking about our similarities.We are like the only people in my cl who has a friendship like this.During recess he was quiet until his friend came up to me and said do you like Dean?I'm like as a friend yeah.The next day during recess he was still quiet and in the middle of recess he just came up to me and said do you want to go to the dance with me?What should I say?