Parse this person name:

Violetta Karz (1750-1824, flourished 1768-1788)
user
first_name: Violetta
last_name: Karz
middle_names: []
temporal:
- start: 1750
  end: 1824
  type: life_span
- start: 1768
  end: 1788
  type: flourished
titles: []
extra_info: []
assistant