You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Stephanie Harris. I want to book a flight ticket from MSP to ATL. Could you help me in booking?

ASSISTANT: May I know the journey dates?

USER: My travelling dates are from Mar 27-29.

ASSISTANT: Would you like any halts in between your journey.

USER: I need direct flight.

ASSISTANT: Are there any more preferences?

USER: My depart time is in evening and return time is in morning.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your name please.

USER: Stephanie Harris.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform that there are no flights on your route.

USER: That's ok, no problem. Thank you.