Edward：
Hi, mom. I might get home late tonight.
嗨，妈。我今晚可能晚回些。
Mom：
Overtime again?
又加班吗? Edward：
Yes, I have just taken on a new project.
对，刚接了个新项目。
Mom：
OK, take care of yourself.
行，注意身体啊。
Edward：
I will, mother. In three days I will have to go on a business trip. Help me book a train ticket to Shanghai.
知道了，妈。我三天后要出个差。帮我订张去上海的火车票吧。
Mom：
OK, I will.
行。安心工作吧。