Hello.
user
Hello.
assistant
My name is William Collins.
user
How can I help you today?
assistant
I have a business meeting in Los Angeles. Can you help me for booking a flight?
user
Sure, can you please share your travel dates?
assistant
My travelling dates are from 02/22 till 02/24.
user
Ok, may I know your airport codes?
assistant
My travelling airport codes are from DCA to LAX.
user
Sorry, no flights are available on your route.
assistant
It's ok, thank you for your information.
user
Welcome, have a nice day.
assistant