You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking my flight ticket from DCA to DEN?

ASSISTANT: Sure, can you please share your journey dates?

USER: My planned travel dates are Dec 18-20.

ASSISTANT: Are you looking for any preferred connections?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: I want to depart in the morning.

ASSISTANT: Are you looking for any preferred class?

USER: For this trip, I need to travel in economy class.

ASSISTANT: Can I have your name to proceed?

USER: Joshua Brown is my name.

ASSISTANT: We found a Southwest airlines, flight number-1007 connections-1 departure time-morning 3:00 hours class-economy and fare is 100. Shall I proceed with the booking?

USER: Ok, please go ahead.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.