You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mary Campbell here.

ASSISTANT: How can I help you?

USER: Actually, I am planning a trip with my friends. I want to start my journey from DTW with my friends on 02/04.

ASSISTANT: Ok, can you please help me with your destination and return date?

USER: I planned to visit Mall of America in MSP. Most probably I will be return on 02/06.

ASSISTANT: Ok, please hold on a moment.

USER: I am planning to take the flight with 0 connection.

ASSISTANT: Sorry, there is no flight with 0 connection.

USER: It's sad, I have prepared with the 0 connection flight.

ASSISTANT: Thank you for reaching us.Have a great day.

USER: Thank you for your help.