Which of the following purposes for writing a message in business would best define the following scenario?

Good morning Ravi,

I know you are very busy this week, but I was hoping you could please give me a hand with my project tomorrow. I am hoping to get it to the next stage by Monday and still need to update the marketing plan. I can totally help you next week on your project if you can give me $1-2$ hours this week.

Question $2$ options:

To explain

To persuade

To inform

To describe