You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Robert Baker, I want to book a flight ticket to IAH from LAS.

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

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my travelling dates are 07/20 and 07/22.

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

USER: Yes, do proceed with my booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1004.

USER: Thank you for booking my flight ticket with flight 1004.

ASSISTANT: Thank you for choosing us.