You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to book a ticket from OAK to DFW. Can you please help me out?

ASSISTANT: Sure, I am here to help you. Please help me with your name.

USER: My name is George Scott.

ASSISTANT: Please help me with your planned travelling dates.

USER: I am planning to travel on Apr 03 and return back on Apr 05.

ASSISTANT: Do you need a break in your journey?

USER: Yes, I am looking for a connection flight.

ASSISTANT: Please help me with your preferred class to fly.

USER: I am looking for a economy class.

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

USER: No.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: We have a connecting flight operated by United Airlines with a fare of 100. Is it ok for you?

USER: That's fine, please proceed the booking.

ASSISTANT: I have booked your ticket in flight-1004. It departs at 20:00 hours and arrives at 11:00 hours.

USER: Thank you for your service.

ASSISTANT: You are welcome. Thank you for reaching us. Have a great time.