Hello.
user
Hello, how can I help you?
assistant
I have to attend a concert in Denver, can you please help me to book my flight ticket from LAS to DEN?
user
Sure, may I know your travel dates?
assistant
I want to depart on 02/19 and return back on 02/21.
user
Can I have your good name please?
assistant
My name is Nancy Anderson.
user
As per your details, there are no flights available for you.
assistant
No problem, thank you for the information.
user
Thank you for choosing us.
assistant