You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight from IAD to ATL?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are Feb 28th to Mar 1st.

ASSISTANT: Do you have any preferences?

USER: I prefer a connected flight.

ASSISTANT: May I know your name?

USER: Sure, my name is Samuel Parker.

ASSISTANT: There is a connecting flight with number 1015 in airline AA, the fare is 100 in economy class. Can I book it?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.