You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me with booking a flight ticket from MSP to DTW?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are July 31 and Aug 02.

ASSISTANT: May I know your name?

USER: My name is Debra Mitchell.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any preferences?

USER: I prefer business class.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.