Hi. Paul Turner here.
user
Hello\. How may I guide you?
assistant
Can you book a ticket to LAX  from SFO?
user
Ok, can I know your dates of travel?
assistant
Sure, here are my travel dates 07/15 and 07/17.
user
I am sorry to inform you that there are no flights with your given details.
assistant
No issues, thank you for your time.
user
Thank you.
assistant