You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from EWR to DTW, could you please help me?

ASSISTANT: Can you share your trip dates?

USER: My travelling dates are on Apr 06 and Apr 08.

ASSISTANT: Do you need any connections?

USER: I prefer a single connecting flight.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Matthew Jackson.

ASSISTANT: Sorry, there is no flight found with your details.

USER: Ok, not a problem. Thank you for informing me.

ASSISTANT: Thank you for reaching us.