Launch program price

Hi, I am preparing a launch of my course next week. It’s a 3-day event. And I’d love to get into a state of mind where I have 100% belief about people buying my program at the price that it is. It’s 2,222 Euros.
I have 40 people signed up for the free training. I’d love to believe that 8 people are there ready to buy my program at this price. What would you recommend? Thank you!