You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Gregory Nelson. I am planning for a round trip, could you please help me with booking a flight ticket from DTW?

ASSISTANT: Sure, can you please share your travel dates?

USER: I would like to depart on May 18th and return on May 20th.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Gregory Nelson, there is a flight available with price 100 and the connection is 1 with Hawaiian airline. Would like to me to proceed with the booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your booking is confirmed with 1004 flight number.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome. Thank you for reaching us.