I'm afraid you have the wrong number.
I'm afraid you have the wrong number. (您可能打错电话了。)
Oh, sorry for troubling you. (哦，对不起，打扰您了。)
I'm sorry, you've got the wrong number.
What number are you calling?
What number are you trying to reach?
Who would you like to talk to?
Who do you want to talk to?
Who are you calling?
Who are you trying to reach?
There's no one here by that name.
There's nobody here by that name.
There's no Bob Hope in this office.
There's nobody named Bob Hope here. (这儿没有叫鲍勃·霍普的。)
I'm sorry. I must have misdialed. *用于自己打错电话时。
I'm afraid I have the wrong number.