You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from LAS to CLT, can you help me?

ASSISTANT: May I know your travel dates?

USER: My travel dates are Aug 07 and 09.

ASSISTANT: Do you have any other concern?

USER: I prefer to travel in economy class.

ASSISTANT: Is there any other concern?

USER: I prefer a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Donald Smith.

ASSISTANT: American Airlines is providing the connecting flight on this route and the fare of 200.

USER: You can book it.

ASSISTANT: Your reservation is confirmed for the flight 1015.

USER: Thank you for booking.

ASSISTANT: Thank you for the help.