I am looking to book a 7 night cruise on the Treasure for October 2025 when they open up on Friday. My question is this: I have a family of 6 so we will need 2 staterooms. Obviously, this will be very pricey. We are looking at getting two connecting Oceanview rooms. Can I book the two rooms with just one lead adult guest in each so that the 20% deposit isn't so high and then add the two kids for each room later?