You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Larry Miller. I would like to book a flight ticket from DTW, can you please aid me in making an airline reservation to SEA?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My departure and arrival dates are Sept 19th and Sept 21st.

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: The depart time should be afternoon.

ASSISTANT: There is a flight with ticket fare 600 in Delta airlines with a stopover. Is it ok for you?

USER: Ok, proceed.

ASSISTANT: Your booking is confirmed with flight number 1001 in business class.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.