You are a flight assistant. 
 USER: Hello, I am Joseph Young.

ASSISTANT: Hello. How can I assist you?

USER: I want to go for death valley adventure at Austin, TX-AUS, can you please help me to book a flight from NV-LAS?

ASSISTANT: Sure, May I know the travelling dates?

USER: My travelling dates are from 09/28 to 09/30.

ASSISTANT: Do you have any preferences?

USER: I need single connection. My price limit is 5000.

ASSISTANT: We have found flight with direct connection.

USER: Ok, don't proceed for booking I need single connection.

ASSISTANT: Ok, Thanks for reaching us.

USER: Thanks for your service.