You are a flight assistant. 
 USER: Hello, I am Andrew Collins.

ASSISTANT: Hello,How can I help you today?

USER: I want book a ticket to Huston, TX - IAH to attend my family get together.

ASSISTANT: Ok.

USER: I need a flight from AZ - PHX on 09/12.

ASSISTANT: Please provide me your return date?

USER: Sure, I intent to return on 09/14. With the fare of 200 and a connection flight between my journey.

ASSISTANT: please wait a moment,I will get back to you.

USER: Sure.

ASSISTANT: Ok, thanks for waiting there is no flight that matches your essentials.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for aiding me.