how to gain people attention orally

How to gain people attention bias berarti bagaimana mencari perhatian orang-orang secara langsung.
• Hei waitress!
• Come here!
• Listen to me…
• Attention please!
• Keep silent, please! I want to say something…
Example :
Dono : Listen to me, I will tell you my experience on my holiday. I went Paris, you know!
Gary : did you? It sounds interesting.