第一句：I'll connnect you to the person in charge.
A: I'd like to inquire about your invoice.
B: I'll connect you to the person in charge.
第二句：I'll put you through to Mr. White.
A: I'd like to speak to Mr. White.
B: OK, I'll put you through to him.
转接电话的相关表达法还有许多，比如说：I'll put the manager on. 我让经理来接电话。
There is a call for you on line one. 一号线有你的电话。
I'll transfer your call. 我帮你转接电话。
I'll connect you to extension 345. 我帮你转接到345号分机。