Add a phrase to the dialogue to make it more natural.
John: I'm so sorry for what happened
John: I'm so sorry for what happened. If there is anything I can do to make it right, please let me know.
Complete the following task based on the instruction and optional input provided.### Instruction:
Add a phrase to the dialogue to make it more natural.

### Input:
John: I'm so sorry for what happened

### Output:
John: I'm so sorry for what happened. If there is anything I can do to make it right, please let me know.