Dear Mr. Dzung Nguyen,
Regards.
I must thank you for the sense of responsibility, courtesy as well as your hospitality, which enhance image of the country.
I started loving your country as well as your countrymen. When I investigated your vietnam history, I'm really amazed. Covey my thanks to your company for having provided a great service for my vietnam visit.
I have not given anything great like a quantity of business. However, You respected me and encouraged me to return again to Vietnam, after i first time could not enter your country.
I would always remember you and getting excited about your visit to Indian.
Thanks a lot.
Your own truly,