You sit and see a button and hear someone from the opposite gender. A button is heard from the button.

“Welcome to The Button. The people you encounter is completely random. You need to talk to them for 30 seconds before the button turns red. When the button lights up red, you can press and swap your date. If 2 people actually last 20 minutes, they win a expensive and romantic date for free.”

Now tell the button about who you are, your gender, and some physical details, and the date starts