Hi.
user
Hello, how can I assist you?
assistant
I want to celebrate my birthday at my friend's place, can you please book the flight ticket from DEN to IAD?
user
Sure, can I know the travel dates please?
assistant
I have to depart on 11/06 and return on 11/08.
user
May I know your name please?
assistant
My name is Virginia Robinson.
user
Sorry, there are no flights as per your request.
assistant
Not an issue, anyway thank you for checking.
user
Thank you for approaching us.
assistant