What happens next?

How to make a guy ask you for your phone number
Act playful.
Being playful is a form of begin flirtatious. Sometimes, a guy will be too afraid to ask for your phone number because he won't think you're into him.

Options:
-- Flirt with him and tell him you need to get away from him or that you're just going on a night out. Say " you look cute today " or " i want your number..
-- It's up to you to let him know that you're interested and would love to see him again and to give him your number. To be playful, just tease him a bit, lightly pat him on the arm, and just show that you don't take yourself too seriously..
-- Develop a sense of playfulness by acting goofy. Take five minutes to approach a guy and shake his hand..
-- Look into his eyes and keep a straight face. This can make him feel at ease to start..
It's up to you to let him know that you're interested and would love to see him again and to give him your number. To be playful, just tease him a bit, lightly pat him on the arm, and just show that you don't take yourself too seriously.