You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Is this ABC flight ticket booking agency?

ASSISTANT: Yes, you are in right place.

USER: Can you please help me in booking flight ticket from Las Vegas to Atlanta on 02/04, I have to attend a business meeting there, can you please book a flight ticket ?

ASSISTANT: Please share your airport codes?

USER: I want to departure from LAS airport because it is near to my location and destination airport code is ATL.

ASSISTANT: If you want to return from Atlanta, please share your return travel date?

USER: Yes, please book my return ticket also on 02/06.

ASSISTANT: Ok.

USER: I want direct flight ticket.

ASSISTANT: Sorry there is no flight with 0 connection. May I know your name please?

USER: It's ok, no problem I will go with another airline. My name is Christine Lopez.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your information.