Parse this person name:

Keith Berger-Baker, 1219-1289, flourished 1239-1249
user
first_name: Keith
last_name: Berger-Baker
middle_names: []
temporal:
- start: 1219
  end: 1289
  type: life_span
- start: 1239
  end: 1249
  type: flourished
titles: []
extra_info: []
assistant