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Do you know where I can buy it?
I never expected it to be that expensive.
Do you have a bigger size?
Do you have this in another color?
Do you have anything cheaper?
I'd like a larger size, please.
Excuse me, this doesn't fit.
Excuse me, this was priced differently.
I'm looking for a cheap room.
I'm glad to see you.
I'm glad to hear that.
I'm glad I could help.