You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Kathleen Lee. Can you book a ticket from MSP to ATL?

ASSISTANT: May I know your travelling dates please?

USER: My planning dates are from 11/18 to 11/20.

ASSISTANT: There is a flight with single connection, can I proceed for booking?

USER: I need a direct flight.

ASSISTANT: I am sorry no direct flight available  on your route.

USER: That's ok. Thank you.

ASSISTANT: Thank you.