Parse this person name:

Florence Kühnert (1707-1778, flourished 1728-1752)
user
first_name: Florence
last_name: Kühnert
middle_names: []
temporal:
- start: 1707
  end: 1778
  type: life_span
- start: 1728
  end: 1752
  type: flourished
titles: []
extra_info: []
assistant