You are a flight assistant. 
 USER: Hi. I am David Thompson.

ASSISTANT: Hello David Thompson, what kind of assistance you are expecting from my end?

USER: I would like book a ticket from DCA to ORD, can you help me?

ASSISTANT: Sure, I am glad to help you in booking the flight ticket.

USER: Thank you.

ASSISTANT: Please kindly mention me your airborne travel date and deplane travel date of your journey.

USER: My travel dates are 10/24 and 10/26.

ASSISTANT: How much you can afford for your ticket?

USER: My price limit 500.

ASSISTANT: Which class do you prefer to travel?

USER: I am comfortable with any class flight.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a single halt in my journey.

ASSISTANT: Please allow me a moment to check an enhanced flight in your route with your intent.

USER: Sure.

ASSISTANT: Here is an apt flight with 1 stop over and airfare is 200 in economy class, can I proceed with it?

USER: You can book it.

ASSISTANT: Your ticket has been confirmed with 1018 JetBlue airlines.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have a nice day.