Parse this person name:

Nath Gaillard (1249-1308, flourished 1272-1293)
user
first_name: Nath
last_name: Gaillard
middle_names: []
temporal:
- start: 1249
  end: 1308
  type: life_span
- start: 1272
  end: 1293
  type: flourished
titles: []
extra_info: []
assistant