You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Samantha Perez, can you help me booking flight on 08/09?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know the return date on which you are going to travel?

USER: I would like to return on 08/11.

ASSISTANT: Can I know your airport codes too?

USER: My airport codes are PHX to IAD.

ASSISTANT: Ok, please hold on for a while.

USER: OK.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed with this flight?

USER: Ok, proceed to booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.