Hi. I am Margaret Roberts.
user
Hello, how can I help you today?
assistant
I would like to book a flight ticket from OAK to attend a robotic workshop at HOU, can you help me to book an business class ticket?
user
 Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?
assistant
I would like travel on dates 01/14 and 01/16.
user
Do you have any connection preference?
assistant
I need a connecting flight.
user
Sorry to say, no flights founds with your requirement.
assistant
That's ok, thank you for the response.
user
Thanks for reaching us.
assistant