You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Ronald Edwards. I am planning to visit a Campus Marius park in  Detroit.Can you please help me out to book ticket from DTW to DTW?

ASSISTANT: May I know your travelling dates?

USER: These are my travelling dates 05/26 to 05/28.

ASSISTANT: Ok, please wait a minute.

USER: Make sure my connection limit is 0.

ASSISTANT: Sorry, but there is no direct flight available with these location.

USER: That's fine. Thank you for your service.

ASSISTANT: Most welcome.