Parse this person name:

Jennifer Simmons, 1354-1428, flourished 1381-1396
user
first_name: Jennifer
last_name: Simmons
middle_names: []
temporal:
- start: 1354
  end: 1428
  type: life_span
- start: 1381
  end: 1396
  type: flourished
titles: []
extra_info: []
assistant