You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I would like to prefer a economy class flight for my business trip to Chicago. So can you book the flight ticket for me?

ASSISTANT: Sure, I can book your ticket. Please share your genesis and terminus airport codes.

USER: The airport codes are from IAD to ORD.

ASSISTANT: May I know your itinerary dates?

USER: The travel dates are from May 09 to May 11.

ASSISTANT: Which airlines do you prefer?

USER: That does not matter. I need a single connection flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Southwest airlines with flight 1014 is providing service with a connecting flight and ticket costs you 200 in economy class.

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: May I know your name?

USER: I am Jonathan Perez.

ASSISTANT: Your ticket is reserved. Flight departs at 0:00 AM and arrives at 21:00 PM.

USER: Thank you.

ASSISTANT: Thank you for reaching us Jonathan Perez.