I'll connect you to Mr. XXX, hold on please. Person in charge is XXX. Whom would you like to speak to?(toをよく忘れます) What would you like to talk about? He is not in office today. Will we call back? くらいはとりあえず出てくるようになりました…。 これらの表現が適切かといえば、もっといい表現もあるのでしょうが…。