User: Hey I need to purchase movie tickets
Assistant: Okay and when were you looking to go.
User: Saturday night.
Assistant: Okay and what movie would you like tickets for?
User: Invisible Man.
Assistant: Okay I am finding tickets for a few different theaters. Any prefrences?
User: Regal cinema 13 please.
Assistant: Okay I am showing show times for 8pm, 9pm and 1030 pm.
User: 9pm is perfect.
Assistant: How many tickets will you be needing?
User: 2 please.
Assistant: So that is 2 tickets for regal cinema 13 at 10pm on saturday for invincible man?
User: Yes, but I need them for 9pm.
Assistant: The total comes to 33.50 should I will change the time to 9pm and charge that now.