听力原文：W: I have heard you're being sent to Madrid for the annual conference. Is that true? M: Yes, it would be my first trip overseas. Actually, it's going to be my first time leaving our country. W: Well, being able to go to the conference sounds like such a great opportunity. Have you applied for a visa at the embassy yet? M: Yes, it wasn't too hard to get. All I had to do was to fill out the paperwork and pay the application fee. Who most likely are the speakers?