You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am going to visit children festival, so could you book a ticket from DTW to IAD.

ASSISTANT: Sure, I will help you. Please help me with your planned travelling dates.

USER: My travel dates are Sept 27 and Sept 29.

ASSISTANT: May I know with your name please?

USER: My name is Alexander Garcia.

ASSISTANT: Do you need a break in your journey?

USER: I would like to board a connecting flight with business class.

ASSISTANT: Do you have any other preferences in your journey?

USER: No. Thank you for asking.

ASSISTANT: We have a business class connecting flight operated by JetBlue Airlines with a fare of 200. Is it ok for you?

USER: Please proceed.

ASSISTANT: I have booked your ticket in flight-1025. It departs at 3 AM and arrives at 21 PM.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us. Have a great time.