You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Dennis Mitchell, want to travel from AUS to CLT. Please help me in booking my ticket.

ASSISTANT: Sure, I am here to help you with that. Can you please share your preferable travel dates?

USER: Thank you and my trip dates are from 01/05 to 01/07.

ASSISTANT: Do you have any particular time for departing and returning?

USER: My return time will be in the morning with 1 connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry to inform you that, there are no flights found on this route as per your travel dates.

USER: It's ok, thank you for your help.