You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in booking the flight ticket from DEN to ATL?

ASSISTANT: Sure, can you share your trip dates?

USER: My travel dates are Mar 21 and Mar 23.

ASSISTANT: Do you have any preferences?

USER: I am willing to travel in a single connecting flight.

ASSISTANT: May I know your name?

USER: Jack Jones.

ASSISTANT: There is a connecting flight with number 1022 in airline Delta, the fare is 100 in economy class. Can I book it?

USER: Please proceed for booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.