Parse this person name:

Leah Vargas (1249-1329, flourished 1268-1287)
user
first_name: Leah
last_name: Vargas
middle_names: []
temporal:
- start: 1249
  end: 1329
  type: life_span
- start: 1268
  end: 1287
  type: flourished
titles: []
extra_info: []
assistant