You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am a politician, I have to meet mayor of New York. So book my ticket from IAD to LGA.

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Angela nelson here.

ASSISTANT: Please help me with your planned travel dates.

USER: My itinerary dates are May 4 and May 6.

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

USER: I need a connecting flight.

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

USER: I am comfortable in any class.

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

USER: I want to return in the afternoon.

ASSISTANT: May I know if you have any other preferences in your journey please?

USER: I have no other preferences.

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

USER: Please book my ticket.

ASSISTANT: I have booked your ticket in flight-1003. It departs at 10 AM and arrives at 19 PM.

USER: Thank you for assisting me.

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