You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Daniel Roberts. Please book a flight ticket from AUS to LGA.

ASSISTANT: Sure, can you please share your travel dates?

USER: June, 19 and June, 21 are my trip dates.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need single connection.

ASSISTANT: Do you have any other specification that you are looking for?

USER: My return time should be at morning.

ASSISTANT: Daniel Roberts, there is a light available with price 200 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with 1021 flight number and the departure time is 6:00 AM, return time is 10:00 AM.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.