Hello.
Hello, how may I aid you today from my end?
I am William Allen. Can you please book a flight ticket from AUS to LGA?
Sure, I am here to help you out. Please provide me your trip dates.
Thank you. I have planned my travel dates as Sept 03 and Sept 05.
Do you have any specifications?
Yes, I would like to return in afternoon time so please check for that.
May I know your connection limit?
 I am looking for single connecting flight.
Is there any other requirement to be met?
No, I am ok with any airlines.
Sorry William Allen, there is no flight in your route as per your requirement.
Oh! It is sad to hear. Anyway, thank you for your time.
Thank you for reaching us.