You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: My name is Carol Thompson, I want to book a normal-cost airline to visit my uncle's house. Can you book a connecting flight for me?

ASSISTANT: Sure, May I know the journey dates?

USER: I will fly on Oct 18 and return on Oct 20.

ASSISTANT: Please help me with your journey codes.

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

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: I need my depart flight in morning.

ASSISTANT: Sure, Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.