Older male experiencing breathing difficulty on oxygen

Zero 01:52 , one two bravo 57 , (number withheld) riverdale circle, 1025 riverdale circle, cross street Squawville Pike, for 59 year old male, caller does not know what's going on with him.

She was just told to call 911 , ambulance 2011 , ambulance 2012 respond, 605 .

Operator, ambulance 11, ambulance 12, be advised, been changed to a breathing difficulty.

Caller is stating patient is having trouble breathing, is on three liters of oxygen.