You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Ronald Garcia, I want to book flight ticket from BOS to PHL, can you help me out?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: My travelling dates are 12/18 and 12/20.

ASSISTANT: Please wait for a moment.

USER: Take your time.

ASSISTANT: There is a connecting flight 1002 of Spirit airlines, shall I proceed?

USER: Please proceed with the booking, if the price is 200.

ASSISTANT: Your booking is done with price 100.

USER: Thank you for helping me in booking the ticket.

ASSISTANT: Welcome.