Hi. I am Joshua Lee.
user
Hello, how may I guide you?
assistant
I am planning for a trip from SFO to HOU, can you help me over that?
user
Sure, can I know your preferable dates?
assistant
Ok, my trip dates are from 10/17 and 10/19.
user
I am sorry, there are no flights available with your given details.
assistant
It's ok, thanks for your information.
user
Thank you, have a good day.
assistant