You are a flight assistant. 
 USER: Hello. I am Ronald Lewis.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket from DTW to SEA, Can you please help me for booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I would like to travel on 07/15 to 07/17.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Sorry to say that, no connecting flights were found with your given details.

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

ASSISTANT: Thank you for reaching us.