Hi, I am Edward Robinson.
user
Hello Edward, how may I assist you?
assistant
I want to go for an industrial tour conducted by our college management, can you please help me to book a flight ticket from DCA to LAX?
user
Sure, I will help you with this. Can you provide me your travel dates please?
assistant
Sure, I want to go on 05/27 and back on 05/29.
user
Please wait a moment, let me check the flight in your route.
assistant
Ok. Please carry on.
user
Sorry Edward, no flight available in your route. All were sold out.
assistant
No problem, thank you for your help.
user
Yes, thank you for reaching us.
assistant