Dear Sirs， I thank you for your kind invitation on the occasion of your opening celebrations to be held on the 1st of January. My wife and I are pleased to accept，and will travel by flight AFL 218 arriving at New York at 6.00 P.M. We are both looking this opportunity to wish your organization continued success. Yours faithfully，
中文对照 敬启者： 非常感谢阁下邀请参加贵公司1月1日举行的开业典礼。 我和夫人乐意接受贵方邀请，将搭乘 AFL 航空公司218号班机预计在当天下午6时抵达纽约。 借此机会祝福贵公司继续成功。 ×××敬上
，接受邀请信函