Parse this person name:

Maggie Chevalier, 1249-1297, flourished 1277-1287
user
first_name: Maggie
last_name: Chevalier
middle_names: []
temporal:
- start: 1249
  end: 1297
  type: life_span
- start: 1277
  end: 1287
  type: flourished
titles: []
extra_info: []
assistant