Parse this person name:

Justine Becker, 1238-1308, flourished 1259-1274
user
first_name: Justine
last_name: Becker
middle_names: []
temporal:
- start: 1238
  end: 1308
  type: life_span
- start: 1259
  end: 1274
  type: flourished
titles: []
extra_info: []
assistant