Hi.
user
Hello, how may I guide you?
assistant
I am Jack Thompson. I would like to book a flight ticket from OAK to IAH.
user
Sure, can I know your preferable dates?
assistant
I am starting on 01/12 and return back 01/14.
user
I am sorry, there are no flights available.
assistant
Ok, no problem. Thank you for the information.
user
Thank you.
assistant