You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can aid you today?

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

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

USER: I want to fly on Sept 21 and return on Sept 23.

ASSISTANT: May I know your name for further process?

USER: Myself Alexander Robinson.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No, I need a single connection.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: Delta airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: You can proceed to booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1027.

USER: Thank you.

ASSISTANT: You are welcome Alexander Robinson.