User: hi hows it going can you help me with something
Assistant: yes of course, what is it?
User: Can you help me purchase movie tickets?
Assistant: yes of course, which movie and where?
User: sonic at AMC 13
Assistant: ok what time would you like?
User: 7pm for wednesday
Assistant: Ok and which screening would you like IMAX or standard?
User: I want standard
Assistant: ok how many tickets do you need?
User: I need 3 tickets if possible
Assistant: ok sounds good.
User: actually can I change something?
Assistant: yes of course.
User: Can I switch to Imax screening instead?
Assistant: Yes, of course sir would you like to keep the other details the same?
User: yes please.
Assistant: ok so to confirm you want 3 tickets for sonic at the 7pm Imax screening at AMC 13 on wednesday.