This is a pretty weird question. You're correct that only ... bookings at once?' But the questionstem asks us specifically to explain ... is just irrelevant to the question being asked.
... standardized in regard to the questionstem and methods of solving questions ... that these weird and unusual question stems do test the same ... . If there is a specific question you were having difficulty with ...
I usually do copy my master game board if the questionstem introduces a local rule. That way I am able to work with the master diagram and introduce the new rule without altering my main diagram.