You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Stephen Lee. I would like to book a ticket from Philadelphia-PHL to Orlando-MCO to meet my grandparents.

ASSISTANT: Sure, I am here to help you. Can you please let me know your journey dates to fly?

USER: I am departing on 05/09 and return on 05/11.

ASSISTANT: There is a flight-1008 of Spirit airlines is available for you, shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.