Hi.
Hello. What help do you require from our agency?
I am Dorothy Smith. Can you please book me a ticket to reach LAX from OAK?
Sure, I am here to help you to book the flight ticket.  May I know your travel dates?
My travelling dates are May 8 and May 10.
Ok, which class do you prefer to travel?
I am comfortable with any class.
Ok, please let me know your maximum connections in between your journey.
I required single connection in between my journey.
Ok, please give me a minute.
Sure.
Sorry to inform you that, there is no flight available in this route on the dates you have given.