Parse this person name:

Thomas Sexton, 1446-1494, flourished 1471-1489
user
first_name: Thomas
last_name: Sexton
middle_names: []
temporal:
- start: 1446
  end: 1494
  type: life_span
- start: 1471
  end: 1489
  type: flourished
titles: []
extra_info: []
assistant