Design Pattern: Command and Hotel Service

requests.rb

class RoomService
  attr_reader :data, :kitchen
  
  def initialize(data)
    @data = data
    @kitchen = Kitchen.new
  end
  
  def execute
    kitchen.cook_for(data)
  end
end

class LaundryService
  attr_reader :data, :cleaning_dpt
  
  def initialize(data)
    @data = data
    @cleaning_dpt = CleaningDepartment.new
  end
  
  def execute
    cleaning_dpt.do_laundry_for(data)
  end
end

class TripPlanningService
  attr_reader :data, :tripAdvisor
  
  def initialize(data)
    @data = data
    @tripAdvisor = TripAdvisor.new
  end
  
  def execute
    tripAdvisor.plan_for(data)
  end
end