Parse this person name:

Cheryl Larson, 1317-1394, flourished 1339-1355
user
first_name: Cheryl
last_name: Larson
middle_names: []
temporal:
- start: 1317
  end: 1394
  type: life_span
- start: 1339
  end: 1355
  type: flourished
titles: []
extra_info: []
assistant