1 Are you available on the 17th?
您17号有时间吗？
Please let me know if you're available on December 8th!
如果您12月8号有时间，请告诉我！
Will you be available for a meeting next Tuesday?
下个星期二您有时间参加会议吗？
Could you spare about 30minutes with me?
您能抽出大约30分钟的时间跟我谈谈吗？

2 How about 2 o'clock?
两点怎么样？
If it is possible, I'd like to see you in person and get your advice. How about 2 o'clock on Thursday? Let me know if that's good for you. I can go to your place.
如果方便的话，我想当面听听您的建议。星期四下午两点怎么样？如果这个时间您方便的话，请告诉我，我去拜访您。