Parse this person name:

Dorothee Ritter-Sauer (1455-1495, flourished 1475-1488)
user
first_name: Dorothee
last_name: Ritter-Sauer
middle_names: []
temporal:
- start: 1455
  end: 1495
  type: life_span
- start: 1475
  end: 1488
  type: flourished
titles: []
extra_info: []
assistant