You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Dennis Young here.

ASSISTANT: How may I help you?

USER: Can you help me to find a flight from DTW to DTW?

ASSISTANT: Sure, I can help you and may I know your journey dates?

USER: My travel dates are 04/19 and 04/21. I need direct flight for this journey.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting and there is no direct flight and I have found a 2 halt in your journey in Southwest airlines. Can I confirm your ticket booking?

USER: No, I need only direct flight for this journey, thanks for your information anyways.

ASSISTANT: Sorry for the trouble caused, I am unable to book your flight ticket for your journey to reach your location.

USER: It's ok. Thank you.

ASSISTANT: You are most welcome and thank you for reaching us.