You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need you to book a flight ticket from LAS to IAD. Please help me.

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

USER: July 12 and 14 are the respective dates.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I need a single connecting flight.

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

USER: Nothing to met.

ASSISTANT: May I know your name to proceed further?

USER: Amanda Scott.

ASSISTANT: We found a Frontier airlines, flight number-1011 connections-1 class-economy and fare is 100. Shall I proceed with the booking?

USER: Please book the ticket.

ASSISTANT: Sure, your ticket has been booked.

USER: Great! Thank you.

ASSISTANT: Thank you for opting us.