You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please avail me a flight ticket from DTW to SEA?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: My trip dates are 06/10 - 06/12.

ASSISTANT: Ok, please let me know your  preferable timings of your  journey.

USER: I am ok to travel at any timings.

ASSISTANT: Do you  have any other specifications?

USER: I need a direct flight.

ASSISTANT: Can I have  your  good name please?

USER: Mary Scott here.

ASSISTANT: Sorry to inform you that no direct flight is available to you on your  dates.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us, have a good day.