第一句：Mr. Wang, we regret that we are unable to accept your proposal.
王先生，很遗憾我方不能接受贵方担任我方代理的提议。
A: Mr. Wang, we regret that we are unable to accept your proposal.
王先生，很遗憾我方不能接受贵方担任我方代理的提议。
B: Oh, I am sorry to hear that.
哦，很遗憾。
A: I am sorry too. But we are not prepared to appoint an agent for your district.
我也深表遗憾。但是我方还不想在贵方地区设立代理。
第二句：We are not going to take the question of sole agency into consideration for the time being.
我方目前还没有设立独家代理的打算。
A: Since the market situation is not known to us.
因为我方不熟悉贵方市场的情况。
B: I know.
我明白了。
A: We are not going to take the question of sole agency into consideration for the time being.
我方目前还没有设立独家代理的打算。
其他表达法：
拒绝申请方出任代理时要有礼貌，不要伤害对方的感情，并提出对方可以接受的解释。申请方也不能心灰意冷，要争取一切机会，并且保持风度。
We have already appointed another company agent in your territory.
我方已经在贵方地区任命了另一家公司作为代理商。
Sorry, we have already had several representatives of our products in your district.
对不起，我方在贵方地区已经有了诸多代理商。
