You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me to book a flight from ORD to MSP?

ASSISTANT: Can I have your journey dates?

USER: I want to depart on Aug 31 and need to return on Sept 2.

ASSISTANT: Do you need any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Jacob Mitchell here.

ASSISTANT: There are no flights available on your routes.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for opting us.