Hello.
user
Hello, how may I help you?
assistant
I am Angela Williams. Can you please help me in booking a flight ticket from LGA to AUS?
user
Sure, could you please provide your travelling dates to search for the flight?
assistant
I want to fly on Apr 16 and return on Apr 18.
user
Do you have any class preferences?
assistant
Yes, I would like to prefer business class.
user
Sorry, no flight is available for you as per your requests.
assistant
Not an issue.
user
Thank you for reaching us.
assistant
Thank you.
user