Parse this person name:

Konstanze Weiß (1760-1839, flourished 1777-1803)
user
first_name: Konstanze
last_name: Weiß
middle_names: []
temporal:
- start: 1760
  end: 1839
  type: life_span
- start: 1777
  end: 1803
  type: flourished
titles: []
extra_info: []
assistant