Hi,.
user
Hello, how can I help you?
assistant
I'm Steven Roberts. Please provide a ticket from San Francisco, CA-SFO to Houston, TX-IAH, for an auto show.
user
Sure, I will help you.
assistant
Ok.
user
May I know your travelling dats?
assistant
Departure is on 03/20 and return date is 03/22.
user
Do you have any other specifications?
assistant
I need a direct flight. Ticket price limit is 500.
user
Thank you for waiting, we are sorry to inform you that no flights were available based on your schedule.
assistant
Thanks for your help.
user
Thank you for opting us.
assistant