You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service do you need from our travel agency?

USER: Stephen Rodriguez here. Can you help me to book a flight ticket from DTW to PHL?

ASSISTANT: Sure, I am glad to help you. Can I know your travelling dates?

USER: Ok, my travel dates are 02/27 and 02/29.

ASSISTANT: Ok, please hold on for a minute. So, that I can check the flight for you.

USER: Ok, please book the flight for me. If there is a connecting flight.

ASSISTANT: Sorry, there is no flight with connection limit 1 in this route.

USER: That is sad to know, ok I will book later. Thank you for assisting me.

ASSISTANT: You are welcome. Thank you for choosing us.