Hello.
Hello, how may I aid you?
I need a flight ticket reservation from Oakland, CA - OAK to Seattle, WA - SEA.Can you book a ticket  for me?
Sure, I will book a ticket, we need your traveling dates and your name, could you please provide me?
My preferable dates are departure 01/06 and return on 01/08 with price limit 200 and connection limit must be one. David Brown is my name.
Thanks for providing your details, please wait a moment, I will check and get back to you.
OK.
Thanks for waiting, I am sorry to say that there is no flight on your route .
OK, no problem.
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Have a nice day.