macam macam contoh kalimat asking for attention

1) attention, please!
what happened?
2) may I get your attention, please?
yes, sure.
3) look what I’ve got here. 
what is it?
4) please don’t be noise, attention please!
I'm sorry. Okay, i'll listen now.
5) excuse me, can you give me a second?
I'm sorry. I'm busy now.