Parse this person name:

Florian Junck, 1394-1457, flourished 1421-1442
user
first_name: Florian
last_name: Junck
middle_names: []
temporal:
- start: 1394
  end: 1457
  type: life_span
- start: 1421
  end: 1442
  type: flourished
titles: []
extra_info: []
assistant