Parse this person name:

Gustav Butte (1378-1436, flourished 1399-1415)
user
first_name: Gustav
last_name: Butte
middle_names: []
temporal:
- start: 1378
  end: 1436
  type: life_span
- start: 1399
  end: 1415
  type: flourished
titles: []
extra_info: []
assistant