User: I want to book for Star Wars at Meridian Cinema
Assistant: What day would you like to book?
User: Tonight please around 9pm
Assistant: There is a 930 show would you like IMAX or 3D
User: 3D
Assistant: How many tickets do you require?
User: 2 tickets
Assistant: Just to confirm that is 2 tickets for Star Wars 930pm 3D viewing at Meridian
User: Actually can we do IMAX instead
Assistant: Certainly, just to confirm that is 2 tickets for Star Wars 930pm IMAX viewing at Meridian
User: Yes I confirm
Assistant: How would you like to pay