(罗先生在吗...他去哪了).( 他几点回来...他回来了请他回电好吗.)翻译成英语 并且以电话的形式回答

Is Mr Luo in?Where is he? When will he come back?
if he comes back ,please give a phonecall .OK?

1.－－Is Mr.Luo in ?
－－No,he isn't here now.
--Where is he?
--He is .....
2.--What time will he come back?
--Perhaps 5:30.
---Then please let him call me back as soon as he comes back,ok?
---Ok,no problem!