Where can I buy an air plant?
user
Do you mean an artificial plant?  I’m not sure what you’re asking.
assistant
It's a plant without roots
user
Ah, you mean a terrarium?  How about a show at the botanical garden?  What do you think of that?
assistant
Yes like a terrarium. Where could I buy one?
user
OK, what you’re looking for is a tank or dish or “terrarium” that contains one or more plants or maybe even animals. They are very popular and you can buy one at a pet shop, maybe the big chains like PetSmart.  You can also buy
assistant
Where can I buy an air plant?
user
Do you mean an artificial plant?  I’m not sure what you’re asking.
assistant
It's a plant without roots
user
Ah, you mean a terrarium?  How about a show at the botanical garden?  What do you think of that?
assistant
Yes like a terrarium. Where could I buy one?
user
I’m sorry, I don’t know where to buy a terrarium.  I don’t know what one is.
assistant
Where can I buy an air plant?