You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for the day?

USER: I am Robert Lopez, can you help me in booking my flight ticket to DTW from ATL?

ASSISTANT: Sure, I am here to help you with that. Can you please mention your preferable travel dates?

USER: Thank you, my travel dates are Nov 3 and Nov 5.

ASSISTANT: Do you need a halt or a direct flight in your journey?

USER: I am comfortable with any of the flight.

ASSISTANT: There are no flights available as per your required travel dates.

USER: Not an issue with that, anyways thank you for the information.

ASSISTANT: You are welcome, thank you for the reaching us. Have a great day.