You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Please provide your trip dates.

USER: My journey dates are from June, 28 to June, 30.

ASSISTANT: Do you need any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Ruth Garcia.

ASSISTANT: There are no flights available on your routes.

USER: Thank you for your information.

ASSISTANT: Thank you for choosing us.