Hello.
user
Hello, how may I guide you?
assistant
I am Christine Smith. I would to book a flight ticket from OAK to DEN.
user
Sure, can I know your preferable dates?
assistant
I am planning to start on 12/15 and return back on 12/17.
user
 I found a flight 1011 of AA airlines matches with your preferences, can I proceed?
assistant
Yes, please proceed.
user
Your ticket is booked.
assistant
Thank you.
user
Thank you, have a good day.
assistant