Avoid: I on for you, then you can hear the sound.
Say: Let me turn it on for you so that you can hear what it sounds like.

Avoid: Miss, you wear that skirt very nice. Come let me introduce a blouse for you.
Say: Miss, you look nice in the skirt. May I recommend a blouse to go with it?

Avoid: Pay cash or credit card?
Say: Would you be paying by cash, NETS or credit card?

Avoid: Just see what you want.
Say: Please feel free to look around.

Avoid: Yes, what you want?
Say: Are you being served? OR How can I help you?