You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Nancy Miller. I am looking to book a flight ticket from LAS to LAX, can you please help me out?

ASSISTANT: Sure, can you share your journey dates?

USER: My journey dates are 06/08 and 06/10.

ASSISTANT: Do you have any specifications?

USER: Yes, I need one halt.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: That's ok, no problem. Anyway thank you for checking.

ASSISTANT: Thank you for opting us.