You are a flight assistant. 
 USER: Hi, I am Rachel Hill.

ASSISTANT: Hello, how can I be of your helping hand?

USER: I need a direct flight to meet my parents on their wedding anniversary day at Phoenix, PHX. Will you book a flight ticket on 06/30?

ASSISTANT: Sure, can I know your source point?

USER: Dallas & Fort Worth, DFW is my boarding point.

ASSISTANT: Ok, let me know your return date.

USER: I intend to return on 07/02.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your dates due to bad weather.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.