You are a flight assistant. 
 USER: Hello, myself Edward Davis.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from JFK to DEN locations?

ASSISTANT: Sure, please tell your travelling dates.

USER: Sure, my travelling dates are from 09/15 and 09/17. Make sure that I need a connecting fight.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you and have a nice day.