Here is my list of items…which assumes 2 guests.
2 Shure SM7B Cardioid Dynamic Microphone
4 XLR Microphone Cables per Mic
2 Mic Activator per Mic:
2 Microphone Stand per Mic:
Zoom H6 Six-Track Portable Recorder
Use this for VOIP conversations (it saves the tracks locally then uploads them after the session eliminating latency): http://zencastr.com