Parse this person name:

Olaf Hermans (1297-1340, flourished 1324-1335)
user
first_name: Olaf
last_name: Hermans
middle_names: []
temporal:
- start: 1297
  end: 1340
  type: life_span
- start: 1324
  end: 1335
  type: flourished
titles: []
extra_info: []
assistant