Hi, I am Ronald Allen.
user
Hello, do you need any help from us?
assistant
Can you please help me in booking a flight from AUS to reach Oakland on Dec 19th?
user
Sure, could you please share your departure and arrival day?
assistant
I intend to return on 21st Dec. Make sure that my depart time is afternoon and arrival time is evening.
user
Sorry, there is no flight on your requested travelling dates.
assistant
No issues, thank you for your service.
user
You are welcome, have a great day.
assistant