You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: My name is Raymond Davis, I want to book a flight from ATL to visit my home at Dallas. Can you book a economy class airline?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will fly on Oct 13 and return on Oct 15.

ASSISTANT: Do you have any specifications?

USER: I want connecting flight and return flight in morning.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Here, there are no flights available for your desired intent.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.