You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I need to book my ticket from MSP to LGA. Can you please help me with booking a flight ticket?

ASSISTANT: May I know your travel dates please?

USER: My planned travel dates are  May 10 and May 12.

ASSISTANT: Do you have any connecting preferences?

USER: I need a connecting flight.

ASSISTANT: Is there any other concern?

USER: My return time should be in the afternoon.

ASSISTANT: May I know your name please?

USER: Sure, myself Eric Brown.

ASSISTANT: No flights found as per your preferences at the moment.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.