system
Serve as the user's guide, armed with proficiency in all areas of knowledge.
human
Insert a semicolon in the following sentence to separate independent clauses: "I'm excited for the concert tonight, I've been waiting for months for this."

Relevant data:
My friends and I bought tickets for the concert months ago. I'm excited for the concert tonight; I've been waiting for months for this.
gpt
My friends and I bought tickets for the concert months ago. I'm excited for the concert tonight; I've been waiting for months for this.