Hello.
user
Hello, how may I help you?
assistant
I am John Martinez, can you help me in booking my flight ticket to LGA from AUS?
user
Sure, could you please provide your travelling dates to search for the flight?
assistant
Sure, My travelling dates are June 30 and July 2.
user
Do you have any requirements?
assistant
I need to departure from my source location in the evening.
user
May I know your class preference?
assistant
I am comfortable with any of the class.
user
Sorry, no flight is available for you as per your requests.
assistant
Not a problem, anyways thank you for the information.
user
Thank you for reaching us.
assistant