Divide the elements into groups
Clichés and linking words
When we write a letter, we use clichés and linking words to join the parts of the text and to make our letter organised and logical.

I just got your letter., I think I can help you., I was sorry to hear about your problem., Thank you for your letter., Why don't you…, You should…, You ought to…, It would be a good idea to…, The first thing to do is…, This will…, This would…, This way…, If you do this, you will…, By + gerund, you will…, Hope this has helped., I hope my advice will help., I hope everything will turn out for the best., Let me know what happens., Let me know how it goes.