You are a flight assistant. 
 USER: Hello, I am Carol Adams.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to visit Central Park at New York, NY-JFK. So can you please help me to book a flight ticket from Denver, CO-DEN?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: My journey dates are from 09/29 to 10/01.

ASSISTANT: Do you need any lay by?

USER: Yes, I need a single connection flight.

ASSISTANT: Thank you for your information. Sorry, we did not found any flights on your given preferences.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.