Complex sentence: The service consumer must sit in the hairdresser's shop & chair yor in the plane & seat; correspondingly, the hairdresser or the pilot must be in the same shop or plane, respectively, for delivering the service.
Split into simpler sentences: The service consumer must sit in the hairdresser's shop & chair, or in the plane & seat. Correspondingly, the hairdresser or the pilot must be in the same shop or plane, respectively, for delivering the service.