A: It's my friend's birthday, and I'm going to buy her some flowers.
B: Perhaps you'd be interested in white roses.
A: How much do the roses cost?
B: They're only $15 a dozen, you're saving money because they're on sale today.
A: I'll take your most beautiful roses.
B: Is there anything else you'd like to get?
A: No, I'll just give her the roses and a card.
B: She should be very pleased with these roses.