Hello, I am Stephanie Carter.
user
Hello, how can I aid you?
assistant
As my passion is to become a music director, I want to attend to the Music festival which is going to held at PHL. So, can you please book  a flight with fare 500?
user
Sure, I will help you. May I know your travelling dates?
assistant
I want to start my journey on 09/09 and return on 09/11.
user
May I know your source code?
assistant
My  source code is HOU.
user
Ok, please wait for a while.
assistant
Ok.
user
Thanks for waiting. Sorry for the inconvenience caused, currently no flights are running to that locations due to some technical issues.
assistant
It's ok, no problem. Thanks for the information.
user
Thanks for your approach, have a great day.
assistant