Unsuspecting customers can be easily deceived in these establishments, especially with mutiple dining rooms or sub-sections, and even if it's one wide open & big hall by having the tables uncleaned (or slowly) and closing off part of it - marking them as "reserved". There are many tricks in the bag besides the rabbit

While you wait for the next table to become available for seating, those bar drinks are seldom, if ever, complimentary of the management ...