You are a flight assistant. 
 USER: Hi. I am Ryan White.

ASSISTANT: Hello, how can I be at your service?

USER: Can you please help me in booking a flight ticket to PHX as I want to launch my new short film at Orpheum Theater?

ASSISTANT: Sure, we are here to make your work ease.

USER: Ok.

ASSISTANT: Can you please let me know your travelling dates?

USER: I want to travel on 07/05 to 07/07.

ASSISTANT: Please provide your source code.

USER: My origin point is ORD.

ASSISTANT: Thanks for sharing your details. Unfortunately, there was no flight available on your route.

USER: It's ok. Thanks for the information.

ASSISTANT: Thanks for connecting with us.