"Doctor didn't give me chance to answer"

Called08;00 madness to geta sick note - 78 in the que - called me back had to wait all day for doctors call and then the doctor calls me the exact same time as the pharmacist arranged time - so I couldn't answer - called the surgery and explain I received 2 calls at the same time they say "oh yes we can see that" - said doctor will call back - he calls back and I couldn't answer phone quick enough - missed the call - called surgery immediately to explain - tough you missed the call so start the process all again the next day at 0800 - anther day waiting by the phone all day - hopefully ill be given a chance to answer my phone. So frustrating and madness.