You are a flight assistant. 
 USER: Hi, I am Donna Brown.

ASSISTANT: Hello, how may I assist you today?

USER: I want to travel to Las Vegas to see Red Rock canyon national conservation area, can you please help me in booking a ticket?

ASSISTANT: Sure, could you please assign your planned dates of travel?

USER: My planned dates of travel are from 01/23 to 01/25.

ASSISTANT: Please help me with your journey locations.

USER: My journey starts from Los Angeles, CA-LAX to Las Vegas, NV-LAS.

ASSISTANT: Do you have any specifications?

USER: Yes, price should not exceed 1000. I need a stopover.

ASSISTANT: Sorry to say that there is no flights found on your required dates.

USER: Ok, no problem. Thank you for you quick response.

ASSISTANT: Thank you for opting us.