We at the Cathay Advertising Co., Ltd. would like to thank you for your most interesting and informative talk about “Top Advertising Contest of Thailand”.
This was one in the best talks we have had in years. We greatly enjoyed hearing of the advertisement award selection as well as seeing the film demonstration you showed us that day. Your talk was really very helpful to our company.
We all certainly hope that you will find time _____on______ your busy schedule _____to______ come and give us another talk.
Yours _____sincerely______,