The Room Service at Omni Atlanta Hotel at Centennial Park
The room service at Omni Atlanta Hotel at CNN Center is endorsed by professional reviewers writing for major publications. Of the 7 professionals tracked on TripExpert, 2 acknowledged the room service, like Frommer's and Star Service.
Omni Atlanta Hotel at Centennial Park 
Frommer's
Star Service
Frommer's "Those traveling with children should ask about the Omni Sensational Kids program, which provides a check-in surprise and milk and cookie room service on the first night"
Star Service "Room service delivers around the clock"
