You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Gregory Green. I need to book a flight ticket from DTW to LGA, Can you please help me for booking?

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to travel on 04/08 to return on 04/10.

ASSISTANT: Do you need any stopover in between your journey?

USER: I need a stop over.

ASSISTANT: Is there any other specifications?

USER: I would be return on evening.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.