Whether on a dating website or on social media, it is possible to come across a special person. So how do you approach this person without looking weird?

Whether on a dating website or on social media, it is possible to come across a special person. So how do you approach this person without looking weird?
She’s very pretty and on fire for God. He’s cute and his gentleness makes your heart beat faster. What do you do? How do you approach a person of the opposite sex in church without revealing too much?