User: Hello there.
Assistant: Hi, what can I help you with?
User: I would like to see a movie.
Assistant: Ok great.
User: I want to see Birds of Prey.
Assistant: Okay great. Birds of prey. For how many?
User: Wait, sorry. I want to change that to The Photograph.
Assistant: Okay, no problem, The Photograph.
User: Yes.
Assistant: How many and what time?