Flirting one-on-one is a great way to show someone you are interested in them. Compliment the person, make eye contact, and smile. Flirting one-on-one is a great way to build a connection and show someone you are interested in them. Ask questions and show genuine interest in their answers. When flirting one-on-one, it is important to be confident and not be afraid to show your true feelings. Make sure to be respectful and not to come on too strong. Show them that you are interested and that you care about them. It can be a fun and exciting way to get to know someone better. Listen to what they have to say and be sure to laugh at their jokes....