B: hi, Doris, this is Mike calling from Parker's Dentistry.

你好，多丽丝，我是帕克牙科医院的迈克。

youdao

B: Hello, is Doris available?

我是多丽丝。请问您是哪位啊？

youdao

B; Hello, is Doris available?

乙，您好，是多丽丝呢？

youdao

B; Hello, is Doris available?

乙，您好，是多丽丝呢？

youdao