You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you book a flight ticket from JFK to DFW?

ASSISTANT: Sure, may I know your good name?

USER: My name is Joseph Green.

ASSISTANT: May I know your planned travel dates?

USER: My planned dates are from 12/06 to 12/08.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for opting us.