I told him good night, come back any time, and have a safe trip home.

　　我祝他晚安、回家一路平安，并告訴他可以隨時回來。

　　Good night. I'll be seeing you.

　　晚安，我會守護(hù)著你的。

　　Good night and thank you again.

　　晚安，再次感謝你。

　　Good night, I wish you sleep well and have pleasant dreams.

　　晚安，我祝你睡個好覺，做好夢。