Parse this person name:

Shannon Chang, 1231-1288, flourished 1255-1282
user
first_name: Shannon
last_name: Chang
middle_names: []
temporal:
- start: 1231
  end: 1288
  type: life_span
- start: 1255
  end: 1282
  type: flourished
titles: []
extra_info: []
assistant