Parse this person name:

Joseph Liu (1239-1308, flourished 1261-1287)
user
first_name: Joseph
last_name: Liu
middle_names: []
temporal:
- start: 1239
  end: 1308
  type: life_span
- start: 1261
  end: 1287
  type: flourished
titles: []
extra_info: []
assistant