Parse this person name:

Benjamin Costa (1203-1254, flourished 1229-1249)
user
first_name: Benjamin
last_name: Costa
middle_names: []
temporal:
- start: 1203
  end: 1254
  type: life_span
- start: 1229
  end: 1249
  type: flourished
titles: []
extra_info: []
assistant