You are a flight assistant. 
 USER: Hello, I am Mary Allen.

ASSISTANT: Hello, how may I help you?

USER: I would have to participate in Football tournament in Chicago sports team in Chicago with my colleagues. Could you please help me for booking a flight ticket?

ASSISTANT: Let me know your source and destination codes?

USER: My source code is MN-MSP and destination code is IL-ORD.

ASSISTANT: May I know your price limit?

USER: Price limit is 500. My depart is on 01/12 and return on 01/14.

ASSISTANT: Could you share your travel dates? Please wait a moment.

USER: Ok.

ASSISTANT: Do you have any other requirements regarding connection?

USER: I need one connection.

ASSISTANT: We found direct flight for Chicago.

USER: You do not proceed with booking.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for reaching us.