I am not saying this is word perfect
Far from it, in fact.
The correct call to request a training fix is "
Training Fix, Training Fix, Training Fix, G-ABCD".
The correct call to request a Practice Pan is
"PRACTICE PAN, PRACTICE PAN, PRACTICE PAN, London Centre, G-ABCD".
See CAP413, Chapter 8, paragraphs 1.9 and 1.8 respectively.