Hi, I'm Megumi.

I can't say L or R sound clearly.
I heard a short story. It's a like this.
--
check out of a hotel

A: Here is your receipt. Thank you very much.
B: Thanks. Say, can I ask you a favor?
A: Certainly.
B: Could you keep my luggage for a few hour while I run some errands.
A: Yes, of course.

--
Bottom 2nd line, my Luggage foR a few hOUR whiLe I Run some eRRands.
L and R, I can't say.
How do I say the sentences like native speaker?
Could you give me some tips on how to say?