Parse this person name:

Johanna Kriens, 1341-1399, flourished 1367-1394
user
first_name: Johanna
last_name: Kriens
middle_names: []
temporal:
- start: 1341
  end: 1399
  type: life_span
- start: 1367
  end: 1394
  type: flourished
titles: []
extra_info: []
assistant