You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a flight from IAH to EWR to meet my friend. Can you help me with booking?

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

USER: I will fly on Apr 8 and return on Apr 10.

ASSISTANT: Do you need a direct flight or connecting flight?

USER: I want connecting flight.

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

USER: I want a business class.

ASSISTANT: May I know with your name?

USER: My name is Thomas Lopez.

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

USER: No.

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

USER: Please proceed with booking.

ASSISTANT: I have booked your ticket in flight-1000.

USER: Thank you for helping me.

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