May I speak to Mr.Huang , please ?   I'm sorry . Mr.Huang is quite busy right now . Could I pass him the message ?   Well , you see , I won't be able to keep my 9   Let me see . He's free from 3:00 to 4:30 tomorrow afternoon . Can you make it then ?   Yes , of course . Thank you very much .   You're quite welcome . Thank you for calling . Bye-byeB 