You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Please help me to book a flight ticket from DFW to DTW.

ASSISTANT: Sure, can you please mention your depart and arrival dates of your journey?

USER: My travel dates are 07 to 09 of Nov.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I want a break in between journey.

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: I am Paul Gonzalez.

ASSISTANT: No flights found as per your preferences at the moment.

USER: It's ok, not a problem, thank you.

ASSISTANT: Thank you for choosing us.