Hello.
user
Hello. How can I help you?
assistant
I am Alexander Mitchell. I am planning to visit LAS to meet my father, can you please find a flight from PHL?
user
Ok, may I know your travelling dates?
assistant
My planning dates are from 01/21 till 01/23.
user
Sorry, there is no flight is available for you on your route.
assistant
That's ok, thank you for checking.
user
Welcome, have a nice day.
assistant