Parse this person name:

Alex Besson, 1206-1277, flourished 1234-1263
user
first_name: Alex
last_name: Besson
middle_names: []
temporal:
- start: 1206
  end: 1277
  type: life_span
- start: 1234
  end: 1263
  type: flourished
titles: []
extra_info: []
assistant