You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me with booking a flight ticket from DTW to PHL?

ASSISTANT: Can you share your trip dates?

USER: My travelling dates are from Aug 16-18.

ASSISTANT: Do you need any connections?

USER: I would be comfortable with single stop over.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Katherine Scott here.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.