You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you now?

USER: Can you help me booking a flight ticket from JFK to DFW?

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

USER: I will start on 08/02 and return on 08/04.

ASSISTANT: Do you want a connecting flight?

USER: I need a break in my journey.

ASSISTANT: Is there any other requirement related to booking?

USER: I prefer for business class.

ASSISTANT: May I know good name please?

USER: I am Anthony Hall.

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

USER: No problem, thank you for the information.

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