The conversation between human and AI assistant.
[|Human|] Remove the conjunctions from the following sentence:

John and Sam went to the store, but they couldn't find the item they wanted.
[|AI|] John, Sam went to the store, couldn't find item they wanted.
[|Human|] 
Remove the conjunctions from the following sentence:

John and Sam went to the store, but they couldn't find the item they wanted.