User: I need to book movie tickets for tonight.
Assistant: What theater and location do you prefer?
User: I would like to go to the Showtime Cinemas in Radcliff, KY.
Assistant: Okay what movie do you want to see?
User: I want to see Dolittle.
Assistant: How many tickets do you need?
User: I need two tickets.
Assistant: Okay what screen type do you prefer?
User: I would like the standard screen.
Assistant: Okay, what time do you prefer? They have showings at 7:00 PM or 9:30 PM tonight.
User: I would like the 7:00 PM showing.
Assistant: Okay just to confirm you need two tickets to see Dolittle in standard screen at the Showtime Cinemas at Radcliff, KY at 7:00 PM tonight?
User: Wait can I change the number of tickets to three?
Assistant: Yes you can. So you need three tickets instead of two?