请您告诉我怎样去联络律师？
Could you please inform me how to go about contacting a lawyer?

谢谢您，先生。
Thank you, sir.

我们送些酬劳，对您的大力协助聊表谢意。
We are sending you some money in acknowledgement of your valuable help.

可否冒昧问一下您多大年纪？
May I be so bold as to ask how old you are?

我谨祝您一切顺利。
I'd like to wish you every success.

我非常感谢您。
I'm extremely grateful to you.

请允许我向您表示祝贺。
Let me congratulate you.

您想得真周到。
It's most thoughtful of you.