Hello, I am George Turner.
user
Hello, how may I serve you for the day?
assistant
I  would like to attend a seminar on social issues in pioneer plaza at Dallas & Fort Worth, DFW. Can you please book me a ticket from Houston, TX-IAH?
user
Sure, I am perky to help you. Can you please let me know your travelling dates?
assistant
My travelling dates are from 06/14 to 0616.
user
How much you can spend for airfare?
assistant
I can spend upto 500.
user
Thank you for providing your details, please wait for a while.
assistant
Ok.
user
Thank you for waiting, we are sorry to inform you that, there is no flights with your respective dates of travel.
assistant
Ok, no problem. Thank you.
user
Thank you for approaching us. Have a  good day.
assistant