You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in flight ticket booking process from DTW to EWR?

ASSISTANT: Sure, let me know your travel dates please?

USER: Thank you for your response, I want to take off on Mar 09 and book my return ticket also on Mar 11.

ASSISTANT: May I know your connection limit?

USER: I will prefer direct flight so please check with that.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: Sure, my name is David Jones.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Thanks for contacting us.