You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Please reserve my flight ticket from JFK to DEN.

ASSISTANT: Sure, can you please share your journey dates?

USER: My travelling dates are 04/02 and 04/04.

ASSISTANT: There is a flight available for you from Southwest airlines with travel charge of 100, shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: May I know your name please?

USER: Myself Gregory Brown.

ASSISTANT: Your ticket has been booked with flight-1001, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.