is these two sentence correct?

Did the online inspection is keep on schedule on Aug 28? Please confirm today. We need to double check with our product manager to see when he will perform the inspection and confirm to you ASAP.


We still waiting for your EV sample, please note that we are unable to perform the online inspection on Sept 03 if we did not receive you sample. Please help to arrange it immediately as the time is so tight which is advised you last week.