欢迎以后多来北京！
Hope you'll visit Beijing more often.
请留步，不用送了！
I will see myself out, please.
多保重！
Take care!
祝您一路平安！
Have a nice trip!
愿为您效劳！
At your service!
为…举行宴会/宴请
Host a dinner/banquet/luncheon in honor of …
欢迎宴会
Welcome dinner
便宴
Informal dinner
午宴（附有情况介绍或专题演讲等内容）
