You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, how may I aid you today?

USER: Please help me to book a flight ticket from JFK to DEN.

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

USER: My journey dates are from Sept, 05 to Sept, 07.

ASSISTANT: Are you looking for any preferred connections?

USER: I need a  single connecting flight.

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

USER: No.

ASSISTANT: Let me know your name to proceed further?

USER: Nicholas Wright.

ASSISTANT:  We found a American airlines, flight number-1004 connections-1 class-economy and fare is 100.

USER: Please proceed for booking.

ASSISTANT: Shall I proceed with the booking?

USER: Yes, please.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.