Hi.
user
Hello.
assistant
I am Lisa Davis.
user
How may I help you?
assistant
I want you to book a ticket from LAS to IAD because I need to attend my farewell pary.
user
Sure, may I know your dates?
assistant
My travelling dates are 12/01 to 12/03.
user
Sorry, there are no flights have been found.
assistant
No problem. Thank you for helping.
user
Thank you for choosing us.Have a nice day.
assistant