Hello.
user
Hello.
assistant
I am Richard Young.
user
How may i assist you today?
assistant
I have a plan to meet my friend in Los Angeles, can you please help me in booking a flight ticket from ORD to LAX?
user
Sure, I am here to help you. Can you please share your travelling dates?
assistant
My planning dates are from 12/10 till 12/12.
user
Please wait for a moment.
assistant
Ok, take your time.
user
Sorry, no flights are  available on your route.
assistant
That's ok, thank you for your information.
user
Welcome, have a safe journey.
assistant