You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Can you book me a direct flight to visit my home at Atlanta?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: I will fly on Oct 27 and return on Oct 29.

ASSISTANT: Can you please share your source and destination airport codes?

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

ASSISTANT: May I now your name please?

USER: My name is Rachel Carter.

ASSISTANT: Do you have any other specifications?

USER: I want my return flight in afternoon.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.