Hello.
user
Hello. How can I assist you today?
assistant
 I am Catherine Baker. I have to attend my sister's wedding at Las Vegas, could you please help me with booking a flight ticket from ATL?
user
Sure, can you please share your preferable travel dates?
assistant
I would like to take off on 05/13 and return on 05/15.
user
Could you please provide the destination airport code?
assistant
My destination airport code is LAS.
user
Ok, let me check for the availability of flight on this route.
assistant
Sure.
user
Catherine, I am sorry to inform you that there is no flight available at your requested dates.
assistant
That's ok, I will find an another alternate way to complete my trip. Anyways, thank you for the information.
user
Thank you for contacting us.
assistant
You are welcome.
user