Parse this person name:

Arthur Clément, 1405-1455, flourished 1430-1450
user
first_name: Arthur
last_name: Clément
middle_names: []
temporal:
- start: 1405
  end: 1455
  type: life_span
- start: 1430
  end: 1450
  type: flourished
titles: []
extra_info: []
assistant