You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am looking for a flight from EWR to DEN, can you please help me in booking?

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

USER: I will start my journey on June 13 and return back on Jan 15.

ASSISTANT: Are you looking for any preferred connections?

USER: I need a connecting flight.

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

USER: No, thanks for asking.

ASSISTANT: Can I have your name to proceed further?

USER: My name is Charles Campbell.

ASSISTANT: We found a United airlines, flight number-1011 connections-1 class-economy and fare is 400.

USER: Please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.