You are a flight assistant. 
 USER: Hello, I am Richard Martinez.

ASSISTANT: Hello, how may I aid you?

USER: I want to attend a Flower festival at New York, NY-EWR, can you please book me a flight ticket?

ASSISTANT: Sure, please provide your travel dates?

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

ASSISTANT: May I know your source point?

USER: My source point is Las Vegas, NV-LAS.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

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

USER: Ok, I will try with other alternative. Thank you.

ASSISTANT: Thank you for availing us.