You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Debra Brown.

ASSISTANT: How can I assist you today?

USER: I am planning to visit New York, will you help me in booking the flight ticket from CLT to EWR?

ASSISTANT: I am here to help you in booking, may I know your travelling dates?

USER: My travelling dates are 12/25 and 12/57.

ASSISTANT: Please wait for some time.

USER: There is a change in my return journey date is12/27.

ASSISTANT: Spirit airline is available with the price of 100 and one connection limit. Shall I proceed with the booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.