Parse this person name:

Thomas Harris, 1211-1289, flourished 1228-1258
user
first_name: Thomas
last_name: Harris
middle_names: []
temporal:
- start: 1211
  end: 1289
  type: life_span
- start: 1228
  end: 1258
  type: flourished
titles: []
extra_info: []
assistant