May not be able to control the quality of the service, planned and expected. The customer may not have been satisfied and impressed with the store. That may not be a favorite again.
May not be able to control the quality of service has been planned and anticipated , customers may not be satisfied and impressed with the provider of the services which may not come back again.
May not be able to control the quality in service as planned and expected. the customer may not be satisfied and impressed with the service of the shop. , which may never use the service again.