Hello.
user
Hello, how can I help you today?
assistant
Can you help me to book a flight from New York in evening time?
user
Sure, I am here to help you in booking. Can you please share your travel dates?
assistant
I will fly on Oct 14 and return on Oct 16.
user
May I know your travelling airport codes?
assistant
My source point is LGA and my destination is AUS.
user
Ok, please mention your name.
assistant
My name is Gregory Miller.
user
Sorry, no flights are available on your preferable travel dates.
assistant
Can you recheck the flight availability as I need a normal-cost airline and also connecting flight?
user
I have rechecked the flight availability  with your requirement but no flights are available on your route.
assistant
Ok, thank you for the information.
user
Thank you for reaching us, have a nice day.
assistant