Rude Manager! Unhelpful!

My husband and I (International Hospitality Professionals) dined at Adega last night and the service was appalling! We were not guided to a table properly. There were only 2 occupied tables in the area (including ours) and the service was still slow and unaccommodating. The atmosphere was dreary. The worst thing was the attitude of the \Manager"named Gabriel/Ghabby! He was totally uninformed about their name that appears under the Sanlam Rewards program! After enquiring about it he was very abrupt and told us we could complain if we wanted to. He did not even consider finding out about the program or our reservation that was made! Just blatantly rude! The table was not set up properly for dinner and not serviced on time! The food was good"