Hello.
user
Hello. How may I help you out?
assistant
I am Raymond Harris, I want to book a flight ticket to HOU from OAK.
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
Thank you, my travelling dates are 10/14 and 10/16.
user
Sorry, there are no flights found.
assistant
Not a problem, anyway thank you for the information.
user
Thank you for choosing us.
assistant