Hello.
user
Hello. How may I assist you?
assistant
I am Carol Young. I am planning to attend a meeting in PHX. Can you please book a ticket for me?
user
Ok, where you want to start from?
assistant
My source airport code is OAK.
user
Ok, when you want to travel?
assistant
I would like to travel on 06/16 and return back on 06/18.
user
 Carol Young, there is no flight for you according to your information.
assistant
That's fine. Thank you for your help.
user
It's my pleasure. Ok, thanks for choosing us.
assistant