You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Myself Michelle Garcia. I need you to book a flight ticket from MSP to  DTW.

ASSISTANT: When you are willing to travel?

USER: August 10 and 12 are my planned travel dates.

ASSISTANT: Let me know your connection limit.

USER: I need a direct flight.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements?

USER: I wish to return in the evening.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.