You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a flight ticket from ATL to MSP?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travelling dates are 12 to 14 of Dec.

ASSISTANT: Ok, could I have your name please?

USER: I am Larry Edwards.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: I would like to return in the morning.

ASSISTANT: Sorry, there is no flight with your requested connection limit.

USER: It's ok, not a problem, thank you.

ASSISTANT: You are welcome.