You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Book me a flight ticket from CLT to LAS?

ASSISTANT: Sure, I am happy to help you in booking. Please share if you have any connection preference.

USER: Connected flight is required and make sure that normal cost airline is needed.

ASSISTANT: May I know your planned travelling dates to proceed further?

USER: Dates are June 16 and June 18.

ASSISTANT: Can I have your name please?

USER: Donna Nelson here.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No thanks. Please proceed to book with above given details.

ASSISTANT: Ok, please wait a moment I'll search best flight for you.

USER: Sure.

ASSISTANT: Ok, there is a Delta airline with flight number 1027 leaving from CLT on June 16th with 1 stop over in the midway and the estimate is 100.

USER: Book it.

ASSISTANT: Your seat has been reserved.

USER: Thanks for booking.

ASSISTANT: Thank you for approaching us.