You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I want to attend a Marriage in IAH. Can you please help me for booking the flight ticket from LAX?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are Sep 10 and Sep 12.

ASSISTANT: Can I know your name please?

USER: William Perez.

ASSISTANT: Do you need any specifications?

USER: I prefer single connecting flight.

ASSISTANT: There is a flight with connection 1 and price 700, can I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1020.

USER: Thanks for helping me.

ASSISTANT: Thank you for you reaching us.