You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Robert Martin, I want to book a flight ticket in the month of April on the dates 04/16 and 04/18.

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your airport codes please?

USER: Sure, my location points are LAS and IAH.

ASSISTANT: Ok, please hold on for a while.

USER: Ok, sure please take your time.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.