Translation of piracy in German

We drove to the hotel Rex where we made reservations in advance. However, once there, two American guys told us that they had a voucher from a travel agent and the price was like half of it.
Anyway, the entire bus ride lasted four hours and we finally arrived at the city of Halong. We were supposed to take a two day luxury boat tour on a ship called The Lagoon Explorer.
Does that give you enough information to get started with? If you would like to receive more information ask your private teacher, I am sure she knows all of it. Kind regards to your family.