You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to attend a marriage in DTW, can you  book a ticket from PHL?

ASSISTANT: May I know your travelling dates please?

USER: I want to travel on 03/24 and return on 03/26. Make sure that I need a flight with connection 0.

ASSISTANT: I am sorry there are no flights with your connection limit. May I know your name please?

USER: No problem. My name is Michael Brown.

ASSISTANT: Thank you for approaching us.

USER: Thank you for searching.