How to deal with not attending the memorial service of relatives and friends, and how to send a text message to explain?

1. I'm sorry I can't give your dear father a ride because of something. I'm sorry for your loss. I wish you all the best and your family is safe, xx.

I'm sorry that I can't give your father a ride because of something. I hope you can forgive me. I hope you feel sorry for your loss, not sad. There is still a long way to go.

Dear friend, I'm sorry that I couldn't personally see your father through the last journey. I hope you will feel sorry for your loss. When you are tired or lonely, my shoulder can always be relied on by you.

My friend, I'm very sorry that I can't give your dear father a ride because of work. I'm terribly sorry. I'm sorry for my loss. Don't be too sad. Pay attention to your health.

I'm very sorry that I can't come back to see XXX off on business. I hope you can keep calm.