Hi, I am David Harris.
user
Hello, how may I help you?
assistant
I want to meet my sister on her birthday at Charlotte on 07/10 and return on 07/12, can you help me with booking flight ticket?
user
Sure, may I know your price limit to book the ticket?
assistant
Yes, my price should be under 1000.
user
Ok, could you please provide your journey codes?
assistant
Sure, I would like to travel from LAS to CLT.
user
Sorry to say, we don't find any flights with your requirements.
assistant
That's ok, thank you for the information.
user
Thanks for choosing us, have a nice day.
assistant