You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today? May I know your good name please?

USER: I am Dennis Martin, I need a flight with one connection to attend a interview at Chicago.

ASSISTANT: Sure, can you please mention your journey points?

USER: I will fly from MN-MSP to IL-ORD.

ASSISTANT: Kindly provide your journey dates?

USER: I need a flight under price of 500. I will fly on 09/14 and return on 09/16.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We are sorry to inform you, we did not find any flights matching your  criteria.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.