You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I would like to book a flight ticket from ATL to SFO, can you help me with that?

ASSISTANT: Sure, May I know your planned dates?

USER: My travel dates are 09/02 and 09/04.

ASSISTANT: I will help you in booking, please help me with your name.

USER: I am Ryan Anderson. I need a direct flight.

ASSISTANT: Ryan Anderson, do you have any airline preference?

USER: Nothing.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: It's ok.

ASSISTANT: Here I found a direct flight with American Airlines and the airfare is about 100. Shall I proceed in booking with the flight number 1024?

USER: proceed with that.

ASSISTANT: For an economy class your ticket is booked and the departure time is 5:00AM and the arrival time is 11:00Am.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.