You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend a film festival at New York, please book a flight ticket with price within 200.

ASSISTANT: Sure, we are here to make your booking ease. May I know your journey dates?

USER: I want to fly on 09/05 and return on 09/07.

ASSISTANT: May I know your good name for further process?

USER: I am Carolyn Mitchell.

ASSISTANT: Can you share your airport codes?

USER: My origin airport code is MN- MSP and Dest airport code is NY- JFK.

ASSISTANT: Wait a while, I will get back to you.

USER: Ok.

ASSISTANT: Thank you for your valuable time. There is no flight found with your journey dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.