Hi,.
user
Hello, how may I best support you today?
assistant
 I would like to visit Houston Arboretum and Nature Center at Houston, TX - HOU. Can you help me with booking a flight ticket within fare 500?
user
Sure, we are mirthful to help you. Can you please let me know your travelling dates?
assistant
Ok, I want to start on 01/05 and return on 01/07.
user
What is the airport, that you want to start from?
assistant
I want to start from Oakland, CA - OAK.
user
May I know your good name please?
assistant
Kenneth Brown, is my name.
user
Please standby, to check the availability of flights and revert to you with best one.
assistant
Sure.
user
Sorry to say that there is no flights available on your journey dates.
assistant
Ok, not a problem. Thanks for your kind information.
user
Thanks for communicating us, have a good day.
assistant