You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Sarah Turner. I need to book a ticket from ATL to LAS.

ASSISTANT: Sure, may I know your travel dates please?

USER: My preferable dates are from 12/05 to 12/07.

ASSISTANT: Thanks for your patience. I have found UA airlines which flies with one connection.

USER: Ok, please proceed.

ASSISTANT: Sure. Yes, I have confirmed your flight ticket. Thank you.