翻译：希望你有个愉快的行程。

i hope you have a good trip

i hope you have a very enjoyable trip

i hope you have a nice trip

非正式场合把上面句子中的i hope 去掉比较常用．

I hope you have a pleasant journey

Bon voyage.
(Used to express farewell and good wishes to a departing traveler.
一路平安：用来对出发旅游者表达告别和良好祝愿的词)

Hoped you have a happy travelling schedule

i hope you have a happy trip

Have a nice trip! 口语化