Hi.
user
Hello. How can I help you?
assistant
I want to book a ticket from OAK to LAX. Could you book a ticket?
user
Sure, may I know your travel dates?
assistant
Travel dates are Mar, 5 and Mar, 7.
user
Ok, may I know your specifications?
assistant
I would like to return in the afternoon.
user
May I know your name?
assistant
My name is William Williams.
user
I am very sorry, there is no flight available as per your requirements.
assistant
Thank you.
user
You are welcome and thank you for choosing us.
assistant