You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Could you please help me in flight ticket booking process from MSP to LGA?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Thank you for your response, I want to take off on Sept 01 and book my return ticket also on Sept 03.

ASSISTANT: Do you have any airline preference?

USER: I want to travel in normal cost airline.

ASSISTANT: Do you have any preference regarding connection limit?

USER: I need 1 break in between my journey.

ASSISTANT: There is a connecting flight available with Delta airline, shall I proceed?

USER: I want to return in evening time so please check with this also.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Laura Carter.

ASSISTANT: Sorry, there is no flight available on your journey dates.

USER: It's ok no problem. Thank you for your information.

ASSISTANT: You are welcome, have a nice day.