Messed Up

Liquor Shop Owner: Yes Sir, What do u need?
X: Do you have Kingfisher?
LSO: Yes sir, how many?
X: I don't want that. Do you have Haywards 5000 '350ml' can?
LSO: NO sir, I don't have that.
X: Do you have '650 ml' bottle?
LSO: No
X: '500ml' can?
LSO: Yes sir, how many?
X: Just one.
LSO: That would be 50 bucks.
[gives 50 bucks]
X: You don't have '650 ml' bottle?
LSO: No sir
X: Then return my money. I want the bottle.
LSO: Shall I give two '350 ml' cans?
X: Okay, Give me that.
LSO: That would be 10 bucks more.
X: You dont have 650 ml ?
LSO: No
X: Then give me back my money, I want only 650 ml bottle.