Parse this person name:

Johanna Otto, 1354-1416, flourished 1378-1394
user
first_name: Johanna
last_name: Otto
middle_names: []
temporal:
- start: 1354
  end: 1416
  type: life_span
- start: 1378
  end: 1394
  type: flourished
titles: []
extra_info: []
assistant