You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you please aid me to book a flight from MSP to reach LGA?

ASSISTANT: May I know your travelling dates?

USER: My planned dates are on Dec 21st to 23rd.

ASSISTANT: Please let me know your connection limit?

USER: Yes.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is William Lopez.

ASSISTANT: Sorry, no flights available on your route.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.