You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I planned to meet my friend in SEA, can you please help me to book a flight ticket from LAS?

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

USER: I prefer to travel on Aug 10 and Aug 12.

ASSISTANT: Are you looking for any preferred connections?

USER: I prefer to travel in a connecting flight.

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

USER: I prefer to travel in economy class.

ASSISTANT: Can I have your name to proceed further?

USER: I am Larry Roberts.

ASSISTANT: We found a United airlines, flight number-1021 connections-1 class-economy and fare is 100.

USER: Ok, please confirm my booking.

ASSISTANT: Shall I proceed with the booking? Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.