You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in  booking my flight ticket from AUS to JFK?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My travelling dates are Aug 28 and 31.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: May I know your name?

USER: I am Mary Jackson.

ASSISTANT: Sorry Mary Jackson, no flights are available by your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.