You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Please assist me to book my flight ticket.

ASSISTANT: Yes, May I know your planning dates to travel?

USER: Sure, my planning dates are 10/27 and 10/29.

ASSISTANT: Airport codes of your source and destination?

USER: My source airport code is NY - EWR and destination airport code is CO - DEN.

ASSISTANT: May I know your name?

USER: My name is Anthony Moore.

ASSISTANT: There is a flight 1007 of Spirit airlines, which matches your requests. Shall I confirm?

USER: Yes, please confirm this flight.

ASSISTANT: Sure. Your ticket is booked with price of 100. Thank you, have a nice journey.

USER: Thank you for the booking.