Parse this person name:

Xavier Caldwell, 1234-1291, flourished 1252-1266
user
first_name: Xavier
last_name: Caldwell
middle_names: []
temporal:
- start: 1234
  end: 1291
  type: life_span
- start: 1252
  end: 1266
  type: flourished
titles: []
extra_info: []
assistant