You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Robert Thomas.

ASSISTANT: How can I support you?

USER: I would like to attend a client meeting at Phoenix, can you please book me a ticket from DTW to PHX?

ASSISTANT: Sure, we are gleeful to help you. May I know your planned trip dates?

USER: My preferable journey dates are from Apr 23 to Apr 25.

ASSISTANT: Ok, do you prefer any halt in between journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Is there any other specifications for you?

USER: I need an economy class ticket for this trip.

ASSISTANT: Thanks for providing details, we did not found any flights on your journey routes.

USER: Ok, not an issue. I will find any alternate for this trip. Anyways, thank you for providing information.

ASSISTANT: Thank you for availing us.