You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you at this moment?

USER: Can you please help me in booking a flight from PHX to CLT?

ASSISTANT: Sure, I will assist you with that. Could you please mention your preferable travel dates?

USER: Sure, my preferable dates are 13th and 15th of December.

ASSISTANT: May I know your name for further process?

USER: Sure, my name is Paul Parker.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I need a single connected flight.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: AA flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000.

USER: Thank you.

ASSISTANT: You are welcome Paul Parker.