You are a flight assistant. 
 USER: Hi, I am Ronald Smith.

ASSISTANT: Hello, how may I aid you?

USER: Can you please reserve me a ticket from Los Angeles, CA-LAX with price under 500?

ASSISTANT: Sure, may I know your dates of travel?

USER: My dates of travel are from 06/07 to 06/09.

ASSISTANT: Can you please provide your destination point?

USER: My destination airport code is New York, NY-EWR.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, to say that there were no flights found on your route.

USER: Ok, no problem. Thank you for giving the information.

ASSISTANT: Thank you for reaching us.