User: I want to buy movie tickets
Assistant: great, do you know what you want to see?
User: yeah, bad boys for life
Assistant: do you have a preferred theater?
User: yeah, amc jersey gardens
Assistant: do you want to see the movie today
User: yeah
Assistant: great, today's movie showtimes are 6:45 PM and 9:00 PM
User: i've changed my mind, i want to see 1917 instead
Assistant: okay, give me a moment to make the change
User: thanks
Assistant: today's showtimes are for 1917 are 6:30 pm and 8:30 pm
User: book the 8:30 pm show
Assistant: how many tickets would you like?