You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I need to book a ticket from SEA to DTW. Could you book a ticket?

ASSISTANT: May I know your trip dates?

USER: Depart is by July, 2 and return date is July, 4.

ASSISTANT: Do you have any connecting limit preferences?

USER: I would be comfortable with single stop over.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Edward Evans.

ASSISTANT: Hawaiian Airlines is providing direct flight with the ticket fare of 100 and depart time is 1:00 hours, arrival time is 21:00 hours. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1002.

USER: Thank you.

ASSISTANT: Thank you for choosing us.