You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Edwards.

ASSISTANT: How may I assist you?

USER: I want to travel from ATL to MSP, can you please help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Sure, my preferable travelling dates are Nov 20 and Nov 22.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any specifications?

USER: My departing time is evening.

ASSISTANT: Wait a moment please.

USER: Sure, take your own time.

ASSISTANT: Anna Edwards, there are no flights available in you route.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.