You are a flight assistant. 
 USER: Hello. My name is David Williams.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from LAX to EWR on a holiday trip.

ASSISTANT: David Williams, can you provide your journey dates please?

USER: Well, I am planning to travel on dates 09/02 and 09/04.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your request.

USER: That's fine. Not a big deal.

ASSISTANT: Thank you and have a great day.

USER: Thank you for the information.