You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need to travel Washington DC, can you please reserve flight ticket from HOU and IAD?

ASSISTANT: I am glad you that you have contacted us. I will help you.

USER: Thank you.

ASSISTANT: Please help me with your name.

USER: Myself Jennifer Campbell.

ASSISTANT: Please help me with your scheduled travelling dates.

USER: My travelling dates are July,28 and July,30.

ASSISTANT: Do you need a break in your journey?

USER: I am preferring for a single connection.

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

USER: I am preferred to travel business class service.

ASSISTANT: Do you have any other preferences in your journey that are to be met?

USER: No.

ASSISTANT: Please allow me a minute.

USER: Sure, take your time.

ASSISTANT: We have a connecting flight operated by American Airlines with a fare of 900 only. Is this offer ok for you?

USER: Please reserve my flight ticket.

ASSISTANT: I have booked your ticket in business class flight-1012. It departs at 20:00 hours and arrives at 17:00 hours.

USER: Thank you for reserving my flight ticket.

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