You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brian Johnson.

ASSISTANT: How can I aid you?

USER: I want to attend a wedding in Las Vegas.Can you book a ticket from CLT to LAS?

ASSISTANT: Sure, give me a minute, I will get back with your details.

USER: I want to depart on 10/02 and return by 10/04.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: I found a flight for you with price 100 and flight number is 1004. Shall I proceed the booking?

USER: Yes, proceed to booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for your help.