求帮写下这篇英语作文以John Smith的名义给王先生回复内容:告知对方现在计划到中国来,希望和对方见面,讨论双方合作

Dear Mr Wang:
I plan to go to China on april 28th and 29th .I hope to have a discussion on the cooperating with you.I wish to call on you on april 29th,will it be convinent to you
by the way ,would you please tell me the position of you office?
yours ,
john smith