Reword the following sentence so that the tone is more formal.
Hi all, I have a question.
Greetings, I have an inquiry that I would like to present.
Complete the following task based on the instruction and optional input provided.### Instruction:
Reword the following sentence so that the tone is more formal.

### Input:
Hi all, I have a question.

### Output:
Greetings, I have an inquiry that I would like to present.