Parse this person name:

Ria Mitschke (1356-1420, flourished 1372-1400)
user
first_name: Ria
last_name: Mitschke
middle_names: []
temporal:
- start: 1356
  end: 1420
  type: life_span
- start: 1372
  end: 1400
  type: flourished
titles: []
extra_info: []
assistant