1. Simply create an account with the link on the top right corner of this page.
Try to use your real email. The email notification will be sent to your email after booking.
2. Perform booking the tour from the demo site. You can also test the payment by using Paypal Sandbox.
Make sure that you have created your own Paypal Sandbox account to test the payment.
https://www.sandbox.paypal.com/us/webapps/mpp/account-selection (With Paypal Sandbox, you can test the payment by using virtual money.)
3. After you booked the tour or paid by Paypal, you can view the transaction from customer dashboard : http://www.mrhungvietnamtourism.com/traveltour/dashboard/?page_type=dashboard