You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Brian Taylor here. I am a journalist, I have to interview a celebrity at Washington. Please book my ticket from PHX to DCA.

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my planned travel dates are 02/25 and 02/27.

ASSISTANT: Please wait for a moment. There is a connecting flight 1014 of AA airlines, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Welcome.