Parse this person name:

Sepp Loos, 1846-1923, flourished 1864-1877
user
first_name: Sepp
last_name: Loos
middle_names: []
temporal:
- start: 1846
  end: 1923
  type: life_span
- start: 1864
  end: 1877
  type: flourished
titles: []
extra_info: []
assistant