Writing. Letter of advice

DEAR …,
Paragraph 1 – Introduction (showing sympathy)
Having read your problem…
I was sorry to read about your problem…
I understand how you feel and…
I was in the same situation a few years ago…

Paragraphs 2&3 – Main body (giving advice)
It would/might be a good idea to…
I strongly advise you to/not to…
I think you should…
The best thing for you to do is…
Have you thought about…?
If I were you, I would…
One/another suggestion is to…

Paragraph 4 – Conclusion (giving reassurance)
I hope these ideas will help you.
If none of these ideas work, then you might…
Don’t worry…
To sum up/summing up
Yours/best wishes,
Name