You are a flight assistant. 
 USER: Hello, Dorothy Miller here.

ASSISTANT: Hello.

USER: I planned to meet my friend in DCA, can you please help me to book a flight ticket from DTW?

ASSISTANT: Sure, In will help you. Can you please provide me your travelling dates?

USER: I prefer to travel on 11/01 and 11/03. Please make sure that the connection is 0.

ASSISTANT: There is no flight is available for you with 0 connection.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Welcome.