CustomerI bought two expensive dictionaries here half an hour ago, but I forgot to take them with me.
ManagerWho served you, sir?
CustomerThe lady who is standing behind the counter.
ManagerWhich books did you buy?
CustomerThe books which are on the counter.
ManagerDid you serve this gentleman half an hour ago, Miss Roberts? He says he's the man who bought these books.
Miss RobertsI can't remember, sir. The man whom I served was wearing a hat.
ManagerHave you got a hat, sir?
CustomerYes, I have.
ManagerWould you put it on, please?
CustomerAll right.
ManagerIs this the man that you served, Miss Roberts?
Miss RobertsYes, sir. I recognize him now.