Hello. I am William Robinson.
user
Hello William, how may I help you?
assistant
I planned to travel from BOS to LAX, can you please help me in booking a flight ticket?
user
Sure, let me know your trip dates.
assistant
I prefer to travel on 11/01 and 11/03.
user
Sorry, there is no flight available as per your request.
assistant
Ok, no problem. Thank you for your information.
user
Most welcome.
assistant