User: Hi
Assistant: Hello, what would you like help with today?
User: I was wondering if I could change a detail about my last purchase?
Assistant: Absolutely, what would you like to change?
User: I was wondering if i could change the movie time for my two tickets purchased?
Assistant: Sure, which movie time would you like to switch this to?
User: Is there a showing for 8:30pm by any chance?
Assistant: Yes there is
User: Can i switch my 10:30pm movie tickets to 8:30pm please?
Assistant: Sure, which movie did you purchase these tickets for?