You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Please help me to book a flight ticket from CLT to MSP.

ASSISTANT: Sure, May I know the travelling dates?

USER: June, 9 and June, 11 are my travelling dates.

ASSISTANT: Do you have any connection limit?

USER: I would prefer single connection.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Helen Harris here.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.