You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to book a flight ticket to ATL from DCA, can you please help me out?

ASSISTANT: Sure, please provide your trip dates to book your reservation.

USER: Sure, my planned travelling dates are June 21 and June 23.

ASSISTANT: May I know your name?

USER: Sure, my name is Patrick Clark.

ASSISTANT: Do you need any connection between your trip?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Do you need economy class or business class?

USER: Any class is ok for me.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: American airlines is going on your way, flight number:1000 with single connection and price:100. Is that Ok for you?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you.

ASSISTANT: Thank you for addressing us.