Hyundai service department

I am quite disappointed by the service that I got from Des at hyundai the glen.I normally have no problems whatsoever but today I was just not happy with the service I have received of late,Des doesn't communicate at all,as is I took my car in for service for 150k and requested that the vehicle to be checked for a miss fire and I had to go back to the dealership close to closing time without even knowing that the car was done or not.when I got there the car is parked in the bay and Des couldn't even know wether the car was done or not. Upon attending me he did not have the job card for my vehicle and even my service book is not stamped.He claimed to have called me to update me when I didn't receive a call from him at all. He got a job card from the workshop showing the work done on the car but I don't have the parts they changed so for all I know my car was just parked the whole day since I don't have the relevant documents,parts and my service book was not stamped.