You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Roberts.

ASSISTANT: How may I help you?

USER: I have to attend a Music Concert at Atlanta, could you please help me with booking a flight ticket from LAS to ATL?

ASSISTANT: May I know your travel dates?

USER: I would like to take off on 06/15 and return on 06/17.

ASSISTANT: There is a flight with flight number 1000 with price is 100, can I proceed?

USER: Please confirm the booking if the connection is 1.

ASSISTANT: Your booking is done in UA airlines.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Most welcome.