You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am looking for a flight from LGA to EWR, can you help me in booking?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my planned travel dates are July 23 and July 25.

ASSISTANT: Any preferences?

USER: I would like to return my journey for the evening flight.

ASSISTANT: Can you share your name please?

USER: Myself Justin Parker.

ASSISTANT: Spirit Airlines has a direct flight with number 1002 for fare 100 which returns at 2:00 hours, shall I proceed?

USER: That's fine, please proceed with booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for the service.

ASSISTANT: Thank you for opting us.