You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to attend a Marriage in New York. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can I know your name please to proceed further?

USER: I am Edward Hernandez.

ASSISTANT: Could you please provide the airport codes?

USER: My airport codes are DEN and JFK.

ASSISTANT: May I know the departure and return time please?

USER: It's not an issue.

ASSISTANT: Can I know the travel dates please?

USER: My travelling dates are Oct 04 and Oct 06.

ASSISTANT: Do you have any requirements?

USER: I would prefer normal cost airline.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for approaching us.