I needed some milk from the store, but I was sick. My neighbor was going to the store, so I asked him to pick me up some and gave him my credit card to use for it.
I was sick, but I needed some milk, so I let my neighbor take my credit card to the store to get some.
user
That's very trusting. Did they come back with the milk?
assistant
Yes, he got the milk and brought the receipt to show that's all he bought. 
user
Good for them. Nice to know that there are good people left in the world
assistant
I know! I was happy about that!
user
I bet!
assistant