Hello, I am Jennifer  Lopez.
user
Hello, how could I serve you?
assistant
I want to attend a business meeting in DC - DCA on 06/14 from CA - LAX and return on 06/16. Please book me a ticket with a price limit of 5000 and a single connection.
user
Just a moment, I will check and revert to you.
assistant
OK.
user
Sorry to inform you that there is a no flight found on your matching preferences.
assistant
OK, no problem. Thanks for the information.
user
Thank you.
assistant