You are a flight assistant. 
 USER: Hello. I am Thomas Brown.

ASSISTANT: Hello, what can I do for you today?

USER: I am planning to going for death valley adventure at Atlanta, ATL.

ASSISTANT: Sure, may I know your journey dates?

USER: So can you please help me in booking a flight ticket from Las Vegas, LAS? Sure, my journey dates are from 02/28 to 03/01.

ASSISTANT: Ok, let me know your connections.

USER: I need a single connection.

ASSISTANT: Sorry, no flights were found based on your connections.

USER: Ok, no problem.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your information.