You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I am Justin Campbell. Can you help me in booking from DTW to EWR, as there is a tennis match to participate?

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are Mar 19 to Mar 21.

ASSISTANT: Do you need any specifications?

USER: I need a economy class & connection limit is 1.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No issue, thank you.

ASSISTANT: Thank you for approaching us.