Words cannot express how sorry we are about the recent tragic events that have touched you so deeply.
Your loss is huge, and we can only imagine the hurt you feel.
We want you to know that you are in our thoughts and prayers.
Please accept our condolences and our hopes for your healing and renewal.
I am so sorry about the heartbreaking losses you have experienced through Hurricane Katrina.
Please accept my deepest sympathy.
As you move through the difficult days and weeks ahead, you will be present in my thoughts.
If there is anything I can do to ease your loss, please let me know.
I would be grateful for the opportunity to help you.
With sincere sympathy,
We are deeply sorry to learn about your losses caused by the hurricane and its terrible aftermath.
Please know that we are all thinking about you and your coworkers as you piece together your lives and your work.
You have our sincere condolences.
Talking with _____, I learned about how Hurricane Katrina has upset your plans for school [retirement, business].
I am very sorry this has happened.
I know it must be extremely difficult for you and others in your situation.
I simply want you to know I am thinking of you.
I wish you the best possible outcome as you navigate this very difficult time.