L-R Elisa Reiter and Daniel Pollack. Courtesy Photos

You're on a long overseas flight. Word gets out that you are an attorney. In the course of the flight, several passengers stop at your aisle seat, introduce themselves, noting that, "I heard you are a good lawyer." They then proceed to present personal issues about which they seek your legal advice. Does the attorney-client privilege attach to such informal exchanges? Do you owe confidentiality regarding such informal exchanges with individuals who might be prospective clients rather than casual interlocutors?