Parse this person name:

Nancy Gibson, 1345-1418, flourished 1370-1398
user
first_name: Nancy
last_name: Gibson
middle_names: []
temporal:
- start: 1345
  end: 1418
  type: life_span
- start: 1370
  end: 1398
  type: flourished
titles: []
extra_info: []
assistant