You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I planned to meet my client in SEA, can you please help me to book a flight ticket from ATL?

ASSISTANT: Please provide your trip dates.

USER: I prefer to travel on Jun 19 and Jun 21.

ASSISTANT: Do you need any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you need any other requirements?

USER: I would like to return back in evening.

ASSISTANT: May I know your name?

USER: I am Amy Mitchell.

ASSISTANT: There are no flights available on your routes.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.