Parse this person name:

Laurenz Kallert, 1376-1429, flourished 1399-1410
user
first_name: Laurenz
last_name: Kallert
middle_names: []
temporal:
- start: 1376
  end: 1429
  type: life_span
- start: 1399
  end: 1410
  type: flourished
titles: []
extra_info: []
assistant