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