You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking my flight ticket from LAX to JFK?

ASSISTANT: Sure, please share your journey dates?

USER: My travelling dates are Dec 15 and Dec 17.

ASSISTANT: Do you have any specifications?

USER: I need single connection flight.

ASSISTANT: Is there any class preferences?

USER: Any class is ok for me.

ASSISTANT: May I know your good name?

USER: Myself Catherine Adams.

ASSISTANT: We found a flight in Spirit airlines, flight number is 1020 with single connection and price is 100 economy class. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.