public function hotels(){
  // where booking is the name of the pivot table
  return $this -> belongsToMany('Hotel','booking')
 ->pivot('column in booking','column in booking');

}

public function users(){
   // where booking is the name of the pivot table
  return $this -> belongsToMany('User','booking')
       ->pivot('column in booking','column in booking');
}

$hotels = User::with('hotels') -> get();
$users = Hotel::with('users') -> get();