Hello, I am William Williams.
user
Hello, how can I help you?
assistant
I have planned a family gathering in my grand father house at Los Angeles, CA-LAX. Could you please help me with booking a flight ticket?
user
Sure, may I know your planned travel dates please?
assistant
Sure, my departure is on 03/05 and return on 03/07.
user
Please provide me your source airport code.
assistant
Sure, I intend board from Chicago, IL-ORD.
user
As per your details, there are no flights available for you.
assistant
No problem, thank you for the information.
user
Thank you for choosing us.
assistant