You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book the flight ticket from DTW to MSP. Can you please help me?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are Jan 9th and Jan 11th.

ASSISTANT: Please share me your name.

USER: Stephanie Walker.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel in economy class. I need a single connection.

ASSISTANT: Sorry, there is no flight on your route.

USER: Ok, thank you for the information.

ASSISTANT: Thank you.