You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Andrew Phillips. I would like to attend a cultural event at MSP, can you help me to book a flight ticket from DTW?

ASSISTANT: Sure, may I know your trip dates?

USER: I am planning to move on 20 Jan and return on 22 Jan.

ASSISTANT: Which flight do you prefer either connecting or direct?

USER: I need a connecting flight. Sorry, I need a direct flight.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.