You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself George Robinson, I need to schedule my trip to Francisco for attending a client meeting. Can you please help me in booking the ticket from ATL to SFO?

ASSISTANT: Your travelling dates please?

USER: I am willing to travel on 07/18 and again I will be return back on 07/20.

ASSISTANT: There is a flight with single connection, can I  proceed for booking in Delta airlines?

USER: What about the cost?

ASSISTANT: It cost you 100.

USER: Sure, you can proceed for booking.

ASSISTANT: Your booking is done in 1004 flight.

USER: Thank you very much for booking the ticket.

ASSISTANT: Thank you for choosing us.