You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Gregory Thompson. I am planning to book a ticket to attend a meeting at OAK. Can you please help me out to book a ticket from ATL?

ASSISTANT: May I know your dates of travel?

USER: I would like to travel on 11/21 and return back on 11/23.

ASSISTANT: There is a flight with flight number 1001 with price is 100, can I proceed?

USER: Please proceed the booking.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.