You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I would like to attend my grandfather's 80th birthday celebration at New York, can you please help me to reserve flight ticket from ATL to JFK?

ASSISTANT: Sure, let me know your travelling dates.

USER: Sure, I will depart on May, 30 and return on Jun, 01.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I would be comfortable with single stop over.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class to travel.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: Sure, my name is Alexander Jackson here.

ASSISTANT: We found an American airlines with single connection and flight number is 1015. Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.