You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My name is Margaret Lewis. I want to book the flight ticket to DCA from ATL. Can you help me with it?

ASSISTANT: Please share your travel dates.

USER: Sure, my origin date is 04/15 and return date is 04/17.

ASSISTANT: May I know your name please?

USER: I had mentioned above. Please book a single connection flight if possible.

ASSISTANT: Flight 1001 of AA airlines is available for you with 1 connection.

USER: Please book it for me.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for assisting me.

ASSISTANT: You are welcome.