Man  : Blue NGO office. ⓐMay I help you?

Mike  : Yes. I'm calling to get some information about your volunteers program.

Man  : That's no problem. ⓑWhat field are you interested in, please?

Mike  : I'm interested in teaching. I wonder if I can teach in the evening school.

Man  : Sure. ⓒMay I ask who's calling, please?

Mike  : ⓓ저는 Mike Johnson입니다.