Once you have 20 posts, you'll be able to use the buy-sell-trade forum here on BYC. In the meantime, make yourself at home here, greet some other new members, jump in on discussions, ask questions, etc.
Welcome to BYC. Glad you decided to join our flock. X2 on NorthFlChick's advice. You might also try posting on our central Missouri threads at https://www.backyardchickens.com/newsearch?search=central+missouri+thread and see if anyone there has the chickens you want. Please feel free to ask any questions you may have. We are here to help in any way we can. Good luck in getting your chickens.