Don't forget that ...
Further to your letter of ...
I trust you will find the following points of interest.
I would be very grateful i you could send me ...
We propose ...
Why don't we ... ?
I got your letter about ...
Can you send me details on ... ?
May I remind you that ...
Let me know when you have a definite date.
Here's the information you wanted.
Could you please confirm the date?
