You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Brandon Wright. Can you book a ticket with price 200?

ASSISTANT: Sure, please share your travelling dates?

USER: I want to participate in Sports Festival at The New Parkway, Oakland. My journey dates are from 08/19 to 08/21.

ASSISTANT: May I know your source and destination?

USER: My airport codes are from PHX to OAK.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a  connecting flight with fare of 100.

USER: May I know the flight details?

ASSISTANT: Shall I proceed for booking in UA airline, 1012 flight number?

USER: I am very glad to fly with airline UA, proceed booking.

ASSISTANT: Ok, your booking has been done.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.