You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Anna Robinson, I want to book a flight ticket to Los Vegas NV-LAS, help me in booking my flight ticket from NC-CLT.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please mention your connection limit?

USER: I need a connecting flight.

ASSISTANT: May I have your travelling dates?

USER: My travelling dates will be 08/20, my return date will be 08/22.

ASSISTANT: Thanks for sharing your details. Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a AA airline with a connecting flight. Shall I proceed to book with 1019 flight number?

USER: Please proceed.

ASSISTANT: Reservation has been done.

USER: Thank you for your help.

ASSISTANT: Thank you.