Rick Flair a free agent

Since his retirement from WWE Flair has been making cameo appearances on RAW without a contract. Flair stated that he did not want to sign an exclusive contract with the WWE because they wanted creative control over his character as they do with many of their wrestlers. So what does this mean for Flair? Will we be seeing him pop up on other brands? A comment made by Flair suggested that he is open to bookings