Query: user: I'm looking for buses that go from SFO to Las Vegas.
assistant: What date will you be traveling on?
user: I'll be traveling on the 12th.
assistant: There's a bus that leaves at 7:20 am. An Economy ticket is $49.
user: What other buses are there?
assistant: There's a bus that leaves at 7:50 am. An Economy ticket is $57.
user: That'll work.
assistant: Would you like to purchase tickets.
user: Yes, but we can do that later. Let's find attractions there that don't cost anything.

Intent: oos