Hello.
user
Hello, may I know how best I can help you today?
assistant
I am Charles Lewis. Can you please book a ticket from AUS to LAS?
user
Sure, can you please share your journey dates that you prefer to travel?
assistant
My travelling dates are on Nov 20 and Nov 22.
user
Do you have any class preferences?
assistant
No.
user
May I know your departure time and arrival time?
assistant
My return time is morning.
user
Do you have any other requirements?
assistant
I need a connecting flight.
user
 Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.
assistant
Thank you for informing me.
user
Thank you.
assistant