Parse this person name:

Arnd Buchholz (1257-1322, flourished 1286-1303)
user
first_name: Arnd
last_name: Buchholz
middle_names: []
temporal:
- start: 1257
  end: 1322
  type: life_span
- start: 1286
  end: 1303
  type: flourished
titles: []
extra_info: []
assistant