You are a flight assistant. 
 USER: Hello. I am Donald Lee.

ASSISTANT: Hello, how can I assist you today?

USER: I am an artist and would like to visit arts festival with my colleagues in Chicago IL-ORD, could you please avail me in booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are 09/23 and 09/25.

ASSISTANT: Please share me your source point.

USER: My source point is Minneapolis & St Paul MN-MSP.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no connecting flights were found with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.