Parse this person name:

Helmut Junck (1688-1762, flourished 1704-1714)
user
first_name: Helmut
last_name: Junck
middle_names: []
temporal:
- start: 1688
  end: 1762
  type: life_span
- start: 1704
  end: 1714
  type: flourished
titles: []
extra_info: []
assistant