請教英文達人們~這英文該怎麼說阿

1.
I`m sorry,
our English-speaking representatives are currently on other lines.
Could you please call back later or leave your name and phone number,
someone will call you back later.

2.
I`m sorry,
our English-speaking representatives are not available today.
Could you please call back tomorrow or leave your name and phone number,
someone will call you back tomorrow.

謝謝你的回覆
不知道有其他人有其他說法嗎?
希望有不同的比較看看哩