函告

xíng qī rú guǒ yǒu biàn huà dāng jí shí hán gào

行期如果有变化，当及时函告。

I shall write to you in time should my date of departure change.

rú guǒ yǒu biàn huà qǐng jí shí hán gào

如果有变化，请及时函告。

Please write immediately to inform us of any changes.

xíng chéng què dìng hòu dāng jí hán gào

行程确定后，当即函告。

I'll write to inform you of my itinerary once it is set.

duì wǒ men de fú wù rú yǒu bù mǎn qǐng hán gào jīng lǐ

对我们的服务如有不满，请函告经理。

If you are dissatisfied with our service, please write to the manager.