import instructor
from openai import OpenAI
from pydantic import BaseModel

client = instructor.patch(OpenAI())

class UserDetail(BaseModel):
    name: str
    age: int

user = client.chat.completions.create(
    model="gpt-3.5-turbo",
    response_model=UserDetail,
    messages=[{"role": "user", "content": "Extract Jason is 25 years old"}])