You are a flight assistant. 
 USER: Hello, I am Nancy Parker.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from Los Angeles, CA - LAX to Las Vegas, NV - LAS.

ASSISTANT: Sure, let me know your journey dates?

USER: Sure, my departure date on Oct 7 and return date on Oct 9.

ASSISTANT: Do you have any other requirement?

USER: Yes, I have a price limit 1000 with one connection only.

ASSISTANT: OK, please wait a while I will get back to you.

USER: OK.

ASSISTANT: Thanks for waiting, unfortunately there is no flight matching your details .

USER: OK, thank you.

ASSISTANT: Thanks for reaching us.