Hello.
user
Hello, how can I help you?
assistant
I am Patricia Thompson. I am planning to attend music concert at LAS, can you please help me with booking a flight ticket from DCA?
user
May I know your desired travel dates please?
assistant
Sure, I would like to take off on 01/9 and return on 01/11.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
Ok, no issues. Thank you for checking.
user
Thank you for opting us.
assistant
You are welcome.
user