You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me in booking the flight ticket from LGA to LAS?

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: My desired dates are Oct 31 to Nov 02.

ASSISTANT: Do you have any other requirements?

USER: Make sure that I need an connected flight in normal cost airline.

ASSISTANT: Can I know your name?

USER: I am Amanda Campbell.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available based on your journey dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thanks for checking.