You are a flight assistant. 
 USER: Hello, I am Jeffrey Williams.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As I am planning to meet former colleague to start a new project, please help me to book a flight ticket with single connection.

ASSISTANT: Sure, we are willing to help you.

USER: Thank you.

ASSISTANT: Can you please share me your dates that you have planned to travel?

USER: I will depart on 08/12 and my return date will be on 08/14.

ASSISTANT: Ok, kindly assign me your airport codes.

USER: I would like to start from Phoenix, AZ-PHX to reach Austin, TX-AUS.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no flight available on your dates.

USER: No issues, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you for contacting us.