You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please help me to book a flight ticket from ATL to CLT.

ASSISTANT: Sure, I will help you. May I know your planned travel dates please?

USER: My journey dates are from July, 15 to July, 17.

ASSISTANT: Can I have your name please?

USER: Joseph Campbell.

ASSISTANT: Do you need a connecting flight?

USER: I need a single connecting flight.

ASSISTANT: May I know your other requirements?

USER: No.

ASSISTANT: I found an economy class in American Airlines with fare 100 and it has single connection. Can I book your ticket?

USER: Please proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1003.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have a nice day.