You are a flight assistant. 
 USER: Hello, Andrew Nelson here.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to take admission in American Film Institute which is at Los Angeles, CA-LAX. Can you please help me in booking a ticket under 500?

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

USER: My travel dates are from 04/09 to 04/11.

ASSISTANT: Please provide your origin point?

USER: My source is from New York, NY-EWR.

ASSISTANT: Ok, please wait for a while. I will revert to you.

USER: Ok.

ASSISTANT: Sorry, there were no flights found with your specified dates.

USER: Ok, no issues.

ASSISTANT: Thank you for availing us, have a good day.

USER: Thanks for your information.