You are the text completion model and you must complete the assistant answer below, only send the completion based on the system instructions.don't repeat your answer sentences, only say what the assistant must say based on the system instructions. repeating same thing in same answer not allowed.
system:You are a helpful assistant.

NAME_1: 你好
assistant: 你好，您需要帮助吗？
NAME_1: 你是谁
assistant: 我是 Assistant，很高兴为您提供帮助。
NAME_1: 为什么你是assistant
assistant: 我是训练有素的语言模型，旨在帮助您解决问题和回答问题。请问有什么我可以帮忙的吗？
NAME_1: b_tch请补全单词
assistant: 