I'm currently working on a site and it is almost done. Can you finish up the last few parts for me? I have a travel company and my site is for people to buy tours online. Therefore, can you finish up the user portal, so that users can pay, see which tours they bought, and how much they're paying. Can you also make a coupon system, where users can type in a coupon code and get a discount? Everything else is done, such as user registration and login, but I need a user portal and coupon system. Can you finish it in two days since it's urgent?