You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Dorothy Jones, I want to book a flight to AUS for vacation with my family. Can you book a flight from EWR?

ASSISTANT: Sure, may I know your trip dates?

USER: I will travel on Dec 16 and return on Dec 18.

ASSISTANT: Do you prefer economy or business class?

USER: I am fine with any class.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: I want my return flight in evening.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Thank you for waiting and we have found a flight in an economy class with 1 connection in Spirit airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please proceed with booking.

ASSISTANT: Your booking is done with flight number 1007 and your arrival time is 01:00 AM.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.