Embed Shopify Checkout Widget inside Wordpress website

My WordPress limousine site already performs well, but the Wine Tour page suffers from Rezdy’s clunky functionality. I want to keep every other part of the site exactly as it is and simply swap the current booking widget for a clean Shopify checkout experience... (Budget: $30 - $250 AUD, Jobs: API Integration, Frontend Development, Inventory Management, JavaScript, Payment Processing, PHP, Shopify, Shopify Development, Web Development, WordPress)