The following is a short telephone dialogue. Try to translate the Chinese sentences by yourself, then listen to the dialogue and check your translations.

A: Good afternoon, this is Lizhong Company. How can I help you?
B: Good afternoon. 1) Please put me through (connect me) to extension (请接 586 分机).
A: 2) Hold on, please. (Just a moment, please. / One moment, please. / Hold the line, please. / Hang on for a minute, please.) (请稍等).
C: Hello, Mr. Li's office.
B: Hello, 3) I'd like to speak to Mr. Li, please. (Could I speak to Mr. Li, please?) (我找李先生).
C: 4) Who's calling, please? (Who's speaking, please? / Excuse me, who is that?) (请问您是谁)?
B: David Smith from NMV.
C: Just one minute, please.