You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: Can you please help me in booking the flight ticket from DTW to DFW?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: My travel dates are Aug 2 and Aug 4.

ASSISTANT: Are you ok with connecting flight?

USER: I need a direct flight.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Jennifer Harris.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok.

ASSISTANT: We are apologize that, there are no direct flights running towards your region with your requested dates of travelling.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for approaching us, hope you have a great day.