You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I help you?

USER: Is there flight from NY-JFK to NY-EWR with price 500, connection 1.

ASSISTANT: Yes, could you please provide your journey dates?

USER: 07/02 - 07/04.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there are no flights on your dates.

USER: I'm Donna Turner. Thanks.