Hello, I am Nancy Johnson.
user
Hello, how may I serve you?
assistant
I want to book a ticket from Houston, HOU to Washington, DCA.
user
Ok.
assistant
So, please a book ticket on 09/18.
user
Sure. May I know your return date please?
assistant
I have planned to attend my cousin's graduation day in Washington and return on 09/20.
user
Do you have price limit?
assistant
Yes, my budget is 1000.
user
Unfortunately there are no flights available with your requirements.
assistant
Ok, thanks for your information.
user
Thank you for approaching us.
assistant