Create a Wordpress Template

I have domain name and a word press site. I also purchased hosting through blueshot since I know I need plugins to do what I want. I also bought the WP calendar plugin so I should have all the assets(or most of them already) Probably need a good CC plugin which I can get. NEEDS: 1) A calendar system integrated with credit card payment. My ideal set-up would be where a client clicks on a date, and available items show up. They click the item to reserve it and are taken immediately to a payment interface. -I would also like there to be an option where a client could pick to have a product for two days at a discounted rate. This would mean that the calendar would have to reflect that. 2) Once that is set up, I would like to be informed about how it all works, etc. I want to fill the website myself with all my assets...and have done that before, so Im comfortable with that. It is the calendar and payment integration that I'm unfamiliar with. For designers who are experienced with this type of set-up, I am open to ideas that best practices or even better than what Ive suggested.