You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to attend a Seminar in Las Vegas. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My travelling dates are Dec 01 and Dec 03.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: My airport codes are LGA and LAS.

ASSISTANT: Do you have any connection limit?

USER: I need single connecting flight.

ASSISTANT: On whose name I have to book the flight ticket?

USER: My name is Larry Allen.

ASSISTANT: Any other preferences do you have?

USER: No.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok, I will wait.

ASSISTANT: Based on your information, I have found a flight with 1 connection having with the fare of 300 provided by American Airlines in economy class. Are you ok with this flight?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1010.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us, have a great journey.