You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Nicholas Carter here.

ASSISTANT: Glad to meet you Carter.

USER: I would like to go to a beach in Charlotte, so could you please book a ticket to me?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I would like to go on 05/15 and return back on 05/17.

ASSISTANT: Ok, can you please provide your airport codes?

USER: My airport codes are LAS and CLT.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: I found a flight for you with AA airline and it costs you 100. Shall I proceed?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been booked with 1016 flight number.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a safe flight.

USER: Welcome.