You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am looking for a flight on Dec 6th. Can you book a flight for me?

ASSISTANT: Sure, can you please provide your airport locations?

USER: My source point is CLT and my destination is ATL.

ASSISTANT: Kindly mention your return date of travelling?

USER: I will return on Dec 8th.

ASSISTANT: Are you looking for any preferred class?

USER: No.

ASSISTANT: Do you have any other specifications to be met?

USER: I want a connecting flight.

ASSISTANT: May I know your name to proceed?

USER: My name is Mark Scott.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.