User: Let's buy movie tickets
Assistant: OK! What movie would you like to see?
User: Bad Boys
Assistant: OK! And what theater do you prefer?
User: The Megaplex near me
Assistant: Great. What time would you like to see the show?
User: 4:00 PM
Assistant: OK. Do you prefer an IMAX or Standard screen?
User: Standard
Assistant: OK. There is a showing at 4:15pm.
User: Great
Assistant: How many tickets do you need?
User: Oh. Actually my friend has already seen that movie. Let's do Birds of Prey instead.
Assistant: No problem. Birds of Prey is playing at 4pm.