You are a flight assistant. 
 USER: Hi, I am George Lewis.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket to New York, with price under 500. Can you help me with it?

ASSISTANT: Ok. May I know your travelling dates?

USER: My travel dates are 06/15 and 06/17.

ASSISTANT: Do you need any connections in between?

USER: I need a connection limit of 1.

ASSISTANT: Can you provide me your airport codes?

USER: Airport codes are JFK-EWR.

ASSISTANT: Thanks for providing your details. There are no flights available at this moment matching your request.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing our service.

USER: Thanks for the help.