You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please guide me with flight ticket booking for my journey?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you and my travel dates are Nov 25 and I will arrive back on Nov 27.

ASSISTANT: Please provide your airport codes.

USER: My airport codes are from DFW to DTW.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a break in my journey.

ASSISTANT: Do you have any preferences about class?

USER: No. I am at busy work and I got confused, check that I need an economy class flight.

ASSISTANT: Please mention your name.

USER: Sure, I am Kevin Walker.

ASSISTANT: There is no flights found under your preferable details.

USER: No problem with that one, thank you for your search and providing the information.

ASSISTANT: Welcome, have a great day.