You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory Taylor.

ASSISTANT: How may I help you?

USER: I am planning to book a ticket to attend a meeting at LAX. Can you please help me out to book from PHL?

ASSISTANT: May I know your travel dates?

USER: I would like to travel on 09/09 and return back on 09/11.

ASSISTANT: There is a flight with flight number 1010 with price is 100, can I proceed?

USER: That's great, you can proceed the booking.

ASSISTANT: Your booking is done.

USER: Thank you for your service.