Hi.
user
Hello, how best I can serve you at this moment?
assistant
Could you please book a flight ticket from LAS to DCA as I want to attend a flower festival?
user
Sure, can you please mention your class preference?
assistant
I am comfortable with any class.
user
When you are planning to make your journey?
assistant
I want to travel on May 06 and return on May 08.
user
Do you need connecting or direct flight in your journey?
assistant
I need a direct flight in between my journey.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry, there are no flights are available matching your preferred dates.
assistant
Not an issue, thank you for the information.
user
For documentation purpose may I know your  name please?
assistant
Sure, Gary Campbell is my name.
user
Thank you for opting us.
assistant