Hi.
user
Hello, How can I aid you?
assistant
I am Stephen Hernandez. I need to book a flight ticket from SEA to HOU, Can you please help me for booking?
user
Sure, I will help you, May I know your travelling dates?
assistant
I would like to travel on 03/16 to return on 03/18.
user
Do you have any connection limit?
assistant
I need a connecting flight.
user
 Please provide me your depart time and arrival time.
assistant
My departure time is afternoon.
user
Is there any class preference?
assistant
I am comfortable with any class.
user
Thanks for your details, there are no flights running on your specified dates.
assistant
Ok, no problem. Thanks for your information.
user
Thank you.
assistant