You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: Could you please avail me a flight ticket from AUS to JFK?

ASSISTANT: When you are willing to travel?

USER: My trip dates are 10/29 - 10/31.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May, I know your good name?

USER: David Green here.

ASSISTANT: Let me know your connection limit?

USER: I need a single connection.

ASSISTANT: We found 1002 Frontier airlines with single with price 200. Shall I proceed with the booking?

USER: Proceed, if it's depart time is in the afternoon.

ASSISTANT: Your, booking has been confirmed.

USER: Depart time please.

ASSISTANT: Your depart time is 18:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.