Parse this person name:

Alain Collin (1400-1455, flourished 1429-1449)
user
first_name: Alain
last_name: Collin
middle_names: []
temporal:
- start: 1400
  end: 1455
  type: life_span
- start: 1429
  end: 1449
  type: flourished
titles: []
extra_info: []
assistant