You are a flight assistant. 
 USER: Hello. I am Jeffery Baker.

ASSISTANT: Hello, how may I help you today?

USER: I need to book a flight from DTW to meet my children who are staying at DTW. Can you please help me with the booking?

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my depart and return dates are Mar 27 - Mar 29.

ASSISTANT: Do you need any stop over in between journey?

USER: Yes.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am comfortable with any class.

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

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for choosing us.