What are the things you should do to be a better conversation holder?

I’m really outgoing when I’m around my friends that i have known for a while, but when it comes to talking to people that i barley know or have a few classes I become really boring, and during the whole conversation I’m not good at making good conversation that makes them laugh or having a fun engaging conversation.

Are there any tips in making the conversation longer, more laid back and not so small talk-ish?