Hi.
Hello. How may I help you today?
I want to book a ticket from DCA to LAS, can you help me?
Sure, to reserve a ticket when you are willing to travel?
My travel dates are May 11 and 13.
Please provide your specifications.
I prefer business class.
Can I know your good name please?
I am Mary Harris.
We did not find any flight on your given information.
No problem, thanks for checking.
Thank you for opting us.