Hello.
user
Hello, how  can I help you?
assistant
I am Jason Williams, I want a ticket for Atlanta,GA-ATL to visit Delta Flight Museum. My travel date are, depart on 01/03 and return on 01/05.
user
OK, provide me your origin point.
assistant
I will take flight from Denver,CO-DEN.
user
OK, wait a minute.
assistant
Ok.
user
Sorry, to inform you that there no flight found with your given details. Thank you, for reaching us.
assistant
Ok, thank you for helping me.
user