You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Andrew Hill. I want to book a flight ticket from ATL - CLT in the month of December. Can you please help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you, please share your travelling dates?

USER: My travelling dates are 12/26 and 12/28.

ASSISTANT: There is a flight in UA airline with 2 connections, can I proceed to booking?

USER: No, I want to a connected flight.

ASSISTANT: Hill Sorry for the inconvenience, no flights as per your details.

USER: Not an issue, thank you for the help.

ASSISTANT: It's my pleasure, have a nice day.