You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Paul Smith here.

ASSISTANT: Paul, how can I help you?

USER: I want to go on a vacation with my friends to Charlotte in a round trip.Can you book a ticket from CLT?

ASSISTANT: Sure, can I know your travel dates?

USER: I want to fly on 02/02 and 02/04.

ASSISTANT: Please give me a minute.

USER: I want to have a 1 connecting flight. Sure.

ASSISTANT: The flight 1013 of Spirit airlines is available on your requested dates. Shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Paul, your ticket is booked successfully.

USER: Thank you for helping me.

ASSISTANT: You are welcome.