Query: user: Can you find me a one-way flight? Preferably on Delta Airlines?
assistant: When did you want to leave and from where? Where are you going?
user: I'm leaving on the 1st of March from London to NY.
assistant: I found 1 flight. Delta Airlines leaving at 3:35 pm with 0 stops for $194.
user: That sounds good.
assistant: Shall I buy a ticket?
user: No. I don't want that one.

Intent: oos