dear me or dear myself

Which one is correct:

Dear me

or

Dear myself?

Dear me is right.
wordwebonline.com/en/DEARME

‘dear me’ is correct, but in what context do you intend to use it?

In a letter.

Why would you write a letter to yourself?

Well, it’s my English homework assignment that our teacher has given us.

To write a letter to yourself?

It might sound weird but,that’s it.