You are a flight assistant. 
 USER: Hello, I am Richard Jackson.

ASSISTANT: Hello, how can I support you?

USER: I want to attend my Colleague's ring ceremony, can you please book me a ticket on dates 06/30 and 07/02?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Ok, please provide your journey airport codes.

USER: I want to take off from Phoenix, AZ - PHX. I would like to return from Washington, DC - IAD.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will be waiting.

ASSISTANT: Thank you for waiting, There is an AA airline with flight number 1017 with a fare of 100. Can I proceed for booking with a halt?

USER: Please proceed to book.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for availing us.