There's been a mistake with your reservation. Try to correct it, using the following model:
P. Для вас заброни́рован но́мер на тре́тьем этаже́.
А. Это не пра́вильно. Для меня́ заброни́рован но́мер на пя́том.
a room on the fourth floor to one on the sixth.
a room on the ninth floor to one on the fifth.
a room on the third floor to one on the seventh.
a room on the tenth floor to one on the eighth.