User: Hello! I'm looking to buy movie tickets, please.
Assistant: Of course, I can help with that. What movie would you like to see?
User: I want to see 1917.
Assistant: And when would you like to see the movie?
User: I'm looking for tickets for today, this evening.
Assistant: Okay, I'll look for showtimes today. What movie theater would you like?
User: I'd like to go to Showcase Cinemas close to my location, please.
Assistant: I found three showings of 1917 at Showcase Cinemas today.
User: What is the last showing available?
Assistant: The last showing is for 11:00 PM tonight.
User: I think that's too late.
Assistant: There is another showing tonight at 6:00 PM.
User: Is there any showing at 8:00 PM tonight?
Assistant: There is no 8:00 PM showing tonight, but there is a showing at 8:45 PM. Would you like to buy tickets for that showing?