You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Raymond Lewis here.

ASSISTANT: How may I help you?

USER: Can you book me a ticket from LAS to ORD?

ASSISTANT: Sure, I will hep you out. Can you please provide me travelling dates?

USER: Ok, here are my travel dates 03/07 and 03/09.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with one connection with price 200, would you like me to proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for the timely help.

ASSISTANT: Thank you for choosing our services.