Hello.
user
Hello. How may I aid you today?
assistant
I need to buy a plane ticket from CLT  to IAH. Can you help me?
user
Sure, may I know your trip dates?
assistant
I am planning to start on Sept 21 and return on Sept 23.
user
Can you please mention your name?
assistant
I am Catherine Anderson.
user
Do you have any other requirements?
assistant
I need 1 stop over.
user
Unfortunately there is no flight found with your given details.
assistant
That's alright, thanks for your assistance.
user
Thank you for availing us.
assistant