You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How can I assit you today?

USER: I am Katherine Miller. I would like to attend Environmental Science Conferences in Las Vegas, LAS.

ASSISTANT: Ok.

USER: Can you please help me to book a connected fight?

ASSISTANT: Sure, I will help you. Can you share your preferred dates of travel?

USER: My journey dates on 12/31 and 01/02.

ASSISTANT: Forward your boarding point for further booking.

USER: I would like to start my journey from Phoenix, PHX.

ASSISTANT: Unfortunately, there is no flight found with your data.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thanks for your help.

ASSISTANT: Have a great day.