Original Plan from Manila to Clark, then to Subic, Ruined

During this trip to Manila, I rented a car through the Zuzuche APP. The original plan was to pick up the car at 12 noon. Upon arrival at the pick-up point, it was completely empty. Called numerous times but no one answered. Is this HERTZ's service? Zuzuche customer service suggested we go to AVIS at the nearby Shangri-La. We asked several hotel staff, but none knew of such a place [frustrated]. Customer service then suggested we go to the airport. We waited for one and a half hours at the taxi waiting area without getting a car. Finally reached Ninoy Aquino Airport, HERTZ claimed the order was not related to them and did not have a car of the same configuration. Changing to another car cost twice as much. We spent more than 8 hours trying to rent a car, exhausted and hungry, and still failed. Customer service communicated with us but only us, not the car rental company, requiring us to contact the car rental company ourselves. What kind of logic is this? The entire trip was ruined, encountering such a situation drives you crazy.