Please let us know what exactly you are trying to say (or write, for that matter) ...

IMO there's a considerable difference in meaning between "for your information" and "for your acquaintance" - so one isn't necessarily "better" than the other.

Thank you Woody.

It is just for the inormation of the person to whom I write....

Is this sentence correct? Is it better to say destined than intended?

For your information, please find attached our flyers intended for tour operators.


Thank you very much for your suggestion.

For your information, please find attached our flyers intended for tour operators.


Please let me know if this sentence in the correspondence is correct or how can I improve it?

Thank you very much for your help.

I wouldn't normally use For your information as a lead in to the information about an attachment. In fact, I wouldn't use it at all if you actually want the recipient to pay attention to the attachment, as opposed to ignoring it or looking at it as background information.

"Please find attached" is rather formal.

I would write:

I am attaching our flyer for tour operators, which will give you more information.

You will find more information in the attached flyer for tour operators.

or

The attached flyer for tour operators will provide you with more information.

for your acquaintance means "für Ihren Bekannten"

Thank you very much Loreto and Jurist.

I will write as you recommend. It is much nicer.

Loreto and Jurist, thank you very much for your help and your time.

Your suggestions are perfect.