Parse this person name:

Levi Allen (1403-1466, flourished 1418-1444)
user
first_name: Levi
last_name: Allen
middle_names: []
temporal:
- start: 1403
  end: 1466
  type: life_span
- start: 1418
  end: 1444
  type: flourished
titles: []
extra_info: []
assistant