You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for the day?

USER: I am Justin Harris. I want to book a flight ticket from Dallas TX-DFW to MI-DTW. Can you please help me with it?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Can you please mention your connection limit?

USER: I need a single connection.

ASSISTANT: May I know on which dates would you like to make your journey?

USER: I would like to start my journey on 04/12 and end on 04/14.

ASSISTANT: Thank you for sharing your details, please be on hold.

USER: Sure.

ASSISTANT: Sorry we did not find any flights matching your credentials.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for reaching us.