User: I would like to book movie tickets for a showing of Star Wars
Assistant: what day would you like to go?
User: today
Assistant: what theater would you like to go to?
User: I would like to go to Tinseltown
Assistant: Alright Star Wars for today at the Tinseltown theater
User: yes
Assistant: What showing would you like to go to
User: I would prefer evening about 9pm
Assistant: How many tickets would you like to book
User: tickets for 2
Assistant: Alright 2 tickets for Star Wars tonight at Tinseltown for 9 pm.
User: yes
Assistant: Alright I will get those booked, anything else I can help you with.
User: Wait my plans have changed I need everything the same but I need to change theaters. We want to go to the Rave theater, so we can watch in 3d.
Assistant: Ok I will get that changed
User: thank you
Assistant: I will confirm 2 tickets for Star Wars tonight at the Rave theater in 3d. However that theater only has a 9:30 showing is that ok?