Hello.
user
Hello, how can I help you?
assistant
 I am Sandra Harris want to travel to LAX from IAD. Can you book a direct flight?
user
Sure, may I know your planned journey dates?
assistant
My planned dates are 01/11 and 01/13.
user
Ok, please wait for a moment.
assistant
 Ok.
user
Sorry, there are no flights found with your given details.
assistant
Thank you for your help.
user
Thank you for opting us.
assistant