Parse this person name:

Ronald Loos, 1329-1399, flourished 1357-1376
user
first_name: Ronald
last_name: Loos
middle_names: []
temporal:
- start: 1329
  end: 1399
  type: life_span
- start: 1357
  end: 1376
  type: flourished
titles: []
extra_info: []
assistant