You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I have a business meeting in Denver. Can you help me for booking a flight ticket from JFK to DEN?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My travelling dates are Nov 23 and Nov 25.

ASSISTANT: May I know your good name?

USER: My name is Amanda Wilson.

ASSISTANT: Do you want direct flight or connecting flight?

USER: I prefer to book a direct flight in my journey.

ASSISTANT: Please mention your depart and return flight timing?

USER: I have no time limit.

ASSISTANT: Is there any other requirement?

USER: My class preference is economy.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, we hope see you again.