You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit MSP to meet my brother, can you please help me to book a flight ticket from LGA?

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my travelling dates are Apr 23 and Apr 25.

ASSISTANT: Do you need any stop over in between journey?

USER: I need a single connection flight.

ASSISTANT: Is there any preference?

USER: No.

ASSISTANT: Please forward your name.

USER: My name is Michelle Wright.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you.