You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

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

USER: My planned dates are on Sept 17th to 19th.

ASSISTANT: Is there any connection preference?

USER: Yes.

ASSISTANT: May I know your name please?

USER: Sure, my name is Ryan Wright.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ryan Wright, there are no flights available in your route.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.