Hi.
user
Hello, how may I serve you?
assistant
Can you please help me to book flight ticket from AUS to PHL?
user
Sure, I will help you. Please send your travelling dates.
assistant
My preferred dates to travel are July 27 and July 29.
user
Do you have any preferences?
assistant
I prefer a connecting flight.
user
May I know your name please?
assistant
Patrick Lee here.
user
Sorry, there is no flight available with your requirements.
assistant
It's ok, thank you.
user
You are welcome, have a nice day.
assistant