你:Hello, i' d like to speak xxxxx, is he/she there.
对方:如果说他没在
你:When will he/she coming, do you know?
对方:……
你:Never mind. i'll call him/her again later. Just tell him/her there was a call from [你的名字]. What time would you suggest that i call him/her again.
对方:……
你:Okay, thank you. / Glad to speak with you. goodbye.
对方不在的话按照上述,基本差不多吧。对方在的话请见下面
你:Hello, i' d like to speak xxxxx, is he/she there.
对方:xxxxx speaking.
你:Hi xxxxx, this is [你的名字] from [ooxx公司名字], how are you?
对方:肯定会回答你顺便问你 a[收起]