You are a flight assistant. 
 USER: Hello, my name is Thomas Moore.

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

USER: I have to attend a workshop on behalf of my college at Seattle, can you book a ticket within the price of 500?

ASSISTANT: Sure, we are happy to help you. Could you mention your airport codes?

USER: Sure, I would like to travel from AUS to SEA.

ASSISTANT: May I know your travel dates?

USER: Ok, my travelling dates will be 07/26 and 07/28.

ASSISTANT: We found a flight with your requirement, airline is UA with price 100 and single connection.

USER: That's perfect! Proceed with my booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a good day.