How to convince GPT 3.5 not to ignore any data in summarization prompt?

What about writing the prompt in steps and also telling that every result from each steps should get written down.

  1. retrieve all data
  2. summarize
  3. apply writing style
  4. check if all data from step 1 is in text.
  5. If not, rewrite summary

This way you also see, where it makes the mistakes.