User: Can you book some movie tickets for me?
Assistant: Sure, which movie would you like to see?
User: I want to watch Frozen 2.
Assistant: Okay great, do you have a specific theater in mind?
User: Yeah, Cinemark XD 16.
Assistant: And do you have a time frame that you prefer?
User: Somewhere around 6:00PM is best.
Assistant: Okay, and how many tickets do you want to reserve?
User: 2 tickets please.
Assistant: I found a screening of Frozen 2 at Cinemark XD 16 for 6:10PM, do you want me to book these tickets?
User: No, can you actually change the search to Little Women instead of Frozen 2? Keep all other details the same.
Assistant: Sure, let me take a look.
User: Thanks.
Assistant: I found a screening for Little Women at 6:10 PM at Cinemark XD 16, do you want me to book these?