User: I would like you to get tickets for a movie tonight
Assistant: Which movie would you like to see?
User: We would like to see Dolittle
Assistant: What time would you like to go?
User: We would like tickets for the 7:00 PM show
Assistant: How many tickets do you need?
User: Just two, please.
Assistant: Ok, I will get two tickets for the 07:00 PM showing of Dollitlle
User: Wait, I need to change the movie time
Assistant: You don't want to see the 07:00 PM show anymore?
User: No, we need to change the time so we can get to dinner after.
Assistant: Ok, what time would you like to go?